diff --git a/data/language/en-GB.txt b/data/language/en-GB.txt
index ded1be152b..711cd27a14 100644
--- a/data/language/en-GB.txt
+++ b/data/language/en-GB.txt
@@ -4348,6 +4348,7 @@ STR_6036    :{SMALLFONT}{BLACK}Clear
 STR_6037    :Please select a valid RCT1 directory
 STR_6038    :{SMALLFONT}{BLACK}If you have RCT1 installed, set this option to its directory to load scenarios, music, etc.
 STR_6039    :{SMALLFONT}{BLACK}Quick demolish ride
+STR_6040    :Edit Scenario Options
 
 #############
 # Scenarios #
diff --git a/distribution/changelog.txt b/distribution/changelog.txt
index 3502c6779d..9f54f9b8f2 100644
--- a/distribution/changelog.txt
+++ b/distribution/changelog.txt
@@ -3,6 +3,7 @@
 - Feature: [#1730] Keyboard shortcuts for track construction.
 - Feature: [#5110] The tile inspector can now be used in multiplayer.
 - Feature: [#5305] Add scenery eye dropper tool.
+- Improved: [#5254] Scenario option changes are now synchronised over multiplayer.
 - Improved: [#3288] Added server description and greeting textboxes to the start server menu.
 - Improved: [#5137] Removing all guests no longer closes the rides and removes the vehicles.
 - Improved: [#5163] Minor tile inspector improvements and fixes.
diff --git a/src/openrct2/editor.c b/src/openrct2/editor.c
index 12b15013e2..8799657887 100644
--- a/src/openrct2/editor.c
+++ b/src/openrct2/editor.c
@@ -42,6 +42,7 @@
 #include "world/park.h"
 #include "world/scenery.h"
 #include "world/sprite.h"
+#include "network/network.h"
 
 uint8 _editorSelectedRides[128];
 uint8 _editorSelectedSmallScenery[252];
@@ -534,3 +535,177 @@ bool editor_check_park()
 
 	return true;
 }
+
+void game_command_edit_scenario_options(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx, sint32* esi, sint32* edi, sint32* ebp)
+{
+	if (!(*ebx & GAME_COMMAND_FLAG_APPLY)) {
+		*ebx = 0;
+		return;
+	}
+
+	switch (*ecx) {
+	case EDIT_SCENARIOOPTIONS_SETNOMONEY:
+		if (gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) {
+			if (*edx != 0) {
+				gParkFlags |= PARK_FLAGS_NO_MONEY_SCENARIO;
+			}
+			else {
+				gParkFlags &= PARK_FLAGS_NO_MONEY_SCENARIO;
+			}
+		}
+		else {
+			if (*edx != 0) {
+				gParkFlags |= PARK_FLAGS_NO_MONEY;
+			}
+			else {
+				gParkFlags &= ~PARK_FLAGS_NO_MONEY;
+			}
+			// Invalidate all windows that have anything to do with finance
+			window_invalidate_by_class(WC_RIDE);
+			window_invalidate_by_class(WC_PEEP);
+			window_invalidate_by_class(WC_PARK_INFORMATION);
+			window_invalidate_by_class(WC_FINANCES);
+			window_invalidate_by_class(WC_BOTTOM_TOOLBAR);
+			window_invalidate_by_class(WC_TOP_TOOLBAR);
+		}
+		break;
+	case EDIT_SCENARIOOPTIONS_SETINITIALCASH:
+		gInitialCash = clamp(MONEY(0, 00), *edx, MONEY(1000000, 00));
+		gCashEncrypted = ENCRYPT_MONEY(gInitialCash);
+		window_invalidate_by_class(WC_FINANCES);
+		window_invalidate_by_class(WC_BOTTOM_TOOLBAR);
+		break;
+	case EDIT_SCENARIOOPTIONS_SETINITIALLOAN:
+		gBankLoan = clamp(MONEY(0,00), *edx, MONEY(5000000,00));
+		gMaxBankLoan = max(gBankLoan, gMaxBankLoan);
+		window_invalidate_by_class(WC_FINANCES);
+		break;
+	case EDIT_SCENARIOOPTIONS_SETMAXIMUMLOANSIZE:
+		gMaxBankLoan = clamp(MONEY(0,00), *edx, MONEY(5000000,00));
+		gBankLoan = min(gBankLoan, gMaxBankLoan);
+		window_invalidate_by_class(WC_FINANCES);
+		break;
+	case EDIT_SCENARIOOPTIONS_SETANNUALINTERESTRATE:
+		gBankLoanInterestRate = clamp(0, *edx, 80);
+		window_invalidate_by_class(WC_FINANCES);
+		break;
+	case EDIT_SCENARIOOPTIONS_SETFORBIDMARKETINGCAMPAIGNS:
+		if (*edx != 0) {
+			gParkFlags |= PARK_FLAGS_FORBID_MARKETING_CAMPAIGN;
+		}
+		else {
+			gParkFlags &= ~PARK_FLAGS_FORBID_MARKETING_CAMPAIGN;
+		}
+		break;
+	case EDIT_SCENARIOOPTIONS_SETAVERAGECASHPERGUEST:
+		gGuestInitialCash = clamp(MONEY(0, 00), *edx, MONEY(1000, 00));
+		break;
+	case EDIT_SCENARIOOPTIONS_SETGUESTINITIALHAPPINESS:
+		gGuestInitialHappiness = clamp(40, *edx, 250);
+		break;
+	case EDIT_SCENARIOOPTIONS_SETGUESTINITIALHUNGER:
+		gGuestInitialHunger = clamp(40, *edx, 250);
+		break;
+	case EDIT_SCENARIOOPTIONS_SETGUESTINITIALTHIRST:
+		gGuestInitialThirst = clamp(40, *edx, 250);
+		break;
+	case EDIT_SCENARIOOPTIONS_SETGUESTSPREFERLESSINTENSERIDES:
+		if (*edx != 0) {
+			gParkFlags |= PARK_FLAGS_PREF_LESS_INTENSE_RIDES;
+		}
+		else {
+			gParkFlags &= ~PARK_FLAGS_PREF_LESS_INTENSE_RIDES;
+		}
+		break;
+	case EDIT_SCENARIOOPTIONS_SETGUESTSPREFERMOREINTENSERIDES:
+		if (*edx != 0) {
+			gParkFlags |= PARK_FLAGS_PREF_MORE_INTENSE_RIDES;
+		}
+		else {
+			gParkFlags &= ~PARK_FLAGS_PREF_MORE_INTENSE_RIDES;
+		}
+		break;
+	case EDIT_SCENARIOOPTIONS_SETCOSTTOBUYLAND:
+		gLandPrice = clamp(MONEY(5, 00), *edx, MONEY(200, 00));
+		break;
+	case EDIT_SCENARIOOPTIONS_SETCOSTTOBUYCONSTRUCTIONRIGHTS:
+		gLandRightsCost = clamp(MONEY(5,00), *edx, MONEY(200,00));
+		break;
+	case EDIT_SCENARIOOPTIONS_SETPARKCHARGEMETHOD:
+		if (gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) {
+			if (*edx == 0) {
+				if (!(gParkFlags & PARK_FLAGS_PARK_FREE_ENTRY)) {
+					gParkFlags |= PARK_FLAGS_PARK_FREE_ENTRY;
+					gParkEntranceFee = MONEY(0, 00);
+				}
+			}
+			else {
+				if (gParkFlags & PARK_FLAGS_PARK_FREE_ENTRY) {
+					gParkFlags &= ~PARK_FLAGS_PARK_FREE_ENTRY;
+					gParkEntranceFee = MONEY(10, 00);
+				}
+			}
+		}
+		else {
+			if (*edx == 0) {
+				if (!(gParkFlags & PARK_FLAGS_PARK_FREE_ENTRY)) {
+					gParkFlags |= PARK_FLAGS_PARK_FREE_ENTRY;
+				}
+			}
+			else {
+				if (gParkFlags & PARK_FLAGS_PARK_FREE_ENTRY) {
+					gParkFlags &= ~PARK_FLAGS_PARK_FREE_ENTRY;
+				}
+			}
+			window_invalidate_by_class(WC_PARK_INFORMATION);
+			window_invalidate_by_class(WC_RIDE);
+		}
+		break;
+	case EDIT_SCENARIOOPTIONS_SETPARKCHARGEENTRYFEE:
+		gParkEntranceFee = clamp(MONEY(0, 00), *edx, MONEY(100, 00));
+		window_invalidate_by_class(WC_PARK_INFORMATION);
+		break;
+	case EDIT_SCENARIOOPTIONS_SETFORBIDTREEREMOVAL:
+		if (*edx != 0) {
+			gParkFlags |= PARK_FLAGS_FORBID_TREE_REMOVAL;
+		}
+		else {
+			gParkFlags &= ~PARK_FLAGS_FORBID_TREE_REMOVAL;
+		}
+		break;
+	case EDIT_SCENARIOOPTIONS_SETFORBIDLANDSCAPECHANGES:
+		if (*edx != 0) {
+			gParkFlags |= PARK_FLAGS_FORBID_LANDSCAPE_CHANGES;
+		}
+		else {
+			gParkFlags &= ~PARK_FLAGS_FORBID_LANDSCAPE_CHANGES;
+		}
+		break;
+	case EDIT_SCENARIOOPTIONS_SETFORBIDHIGHCONSTRUCTION:
+		if (*edx != 0) {
+			gParkFlags |= PARK_FLAGS_FORBID_HIGH_CONSTRUCTION;
+		}
+		else {
+			gParkFlags &= ~PARK_FLAGS_FORBID_HIGH_CONSTRUCTION;
+		}
+		break;
+	case EDIT_SCENARIOOPTIONS_SETPARKRATINGHIGHERDIFFICULTLEVEL:
+		if (*edx != 0) {
+			gParkFlags |= PARK_FLAGS_DIFFICULT_PARK_RATING;
+		}
+		else {
+			gParkFlags &= ~PARK_FLAGS_DIFFICULT_PARK_RATING;
+		}
+		break;
+	case EDIT_SCENARIOOPTIONS_SETGUESTGENERATIONHIGHERDIFFICULTLEVEL:
+		if (*edx != 0) {
+			gParkFlags |= PARK_FLAGS_DIFFICULT_GUEST_GENERATION;
+		}
+		else {
+			gParkFlags &= ~PARK_FLAGS_DIFFICULT_GUEST_GENERATION;
+		}
+		break;
+	}
+	window_invalidate_by_class(WC_EDITOR_SCENARIO_OPTIONS);
+	*ebx = 0;
+}
diff --git a/src/openrct2/editor.h b/src/openrct2/editor.h
index 7466c0264c..e6f0eeff45 100644
--- a/src/openrct2/editor.h
+++ b/src/openrct2/editor.h
@@ -31,6 +31,31 @@ typedef enum {
 	EDITOR_STEP_TRACK_DESIGNS_MANAGER		// 7
 } RCT2_EDITOR_STEP;
 
+enum
+{
+	EDIT_SCENARIOOPTIONS_SETNOMONEY,
+	EDIT_SCENARIOOPTIONS_SETINITIALCASH,
+	EDIT_SCENARIOOPTIONS_SETINITIALLOAN,
+	EDIT_SCENARIOOPTIONS_SETMAXIMUMLOANSIZE,
+	EDIT_SCENARIOOPTIONS_SETANNUALINTERESTRATE,
+	EDIT_SCENARIOOPTIONS_SETFORBIDMARKETINGCAMPAIGNS,
+	EDIT_SCENARIOOPTIONS_SETAVERAGECASHPERGUEST,
+	EDIT_SCENARIOOPTIONS_SETGUESTINITIALHAPPINESS,
+	EDIT_SCENARIOOPTIONS_SETGUESTINITIALHUNGER,
+	EDIT_SCENARIOOPTIONS_SETGUESTINITIALTHIRST,
+	EDIT_SCENARIOOPTIONS_SETGUESTSPREFERLESSINTENSERIDES,
+	EDIT_SCENARIOOPTIONS_SETGUESTSPREFERMOREINTENSERIDES,
+	EDIT_SCENARIOOPTIONS_SETCOSTTOBUYLAND,
+	EDIT_SCENARIOOPTIONS_SETCOSTTOBUYCONSTRUCTIONRIGHTS,
+	EDIT_SCENARIOOPTIONS_SETPARKCHARGEMETHOD,
+	EDIT_SCENARIOOPTIONS_SETPARKCHARGEENTRYFEE,
+	EDIT_SCENARIOOPTIONS_SETFORBIDTREEREMOVAL,
+	EDIT_SCENARIOOPTIONS_SETFORBIDLANDSCAPECHANGES,
+	EDIT_SCENARIOOPTIONS_SETFORBIDHIGHCONSTRUCTION,
+	EDIT_SCENARIOOPTIONS_SETPARKRATINGHIGHERDIFFICULTLEVEL,
+	EDIT_SCENARIOOPTIONS_SETGUESTGENERATIONHIGHERDIFFICULTLEVEL,
+};
+
 extern uint8 * gEditorSelectedObjects[OBJECT_ENTRY_GROUP_COUNT];
 
 void editor_load();
@@ -46,4 +71,6 @@ sint32 editor_check_object_selection();
 
 bool editor_check_object_group_at_least_one_selected(sint32 objectType);
 
+void game_command_edit_scenario_options(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx, sint32* esi, sint32* edi, sint32* ebp);
+
 #endif
diff --git a/src/openrct2/game.c b/src/openrct2/game.c
index f70e54a23d..f3c72911dc 100644
--- a/src/openrct2/game.c
+++ b/src/openrct2/game.c
@@ -1247,4 +1247,5 @@ GAME_COMMAND_POINTER* new_game_command_table[GAME_COMMAND_COUNT] = {
 	game_command_pickup_staff,
 	game_command_balloon_press,
 	game_command_modify_tile,
+	game_command_edit_scenario_options,
 };
diff --git a/src/openrct2/game.h b/src/openrct2/game.h
index d58b282484..fe41d82d94 100644
--- a/src/openrct2/game.h
+++ b/src/openrct2/game.h
@@ -93,6 +93,7 @@ enum GAME_COMMAND {
 	GAME_COMMAND_PICKUP_STAFF,
 	GAME_COMMAND_BALLOON_PRESS,
 	GAME_COMMAND_MODIFY_TILE,
+	GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
 	GAME_COMMAND_COUNT
 };
 
diff --git a/src/openrct2/localisation/string_ids.h b/src/openrct2/localisation/string_ids.h
index 0386647a8b..4fa0fe7e3b 100644
--- a/src/openrct2/localisation/string_ids.h
+++ b/src/openrct2/localisation/string_ids.h
@@ -3696,6 +3696,8 @@ enum {
 
 	STR_QUICK_DEMOLISH_RIDE = 6039,
 
+	STR_ACTION_EDIT_SCENARIO_OPTIONS = 6040,
+
 	// Have to include resource strings (from scenarios and objects) for the time being now that language is partially working
 	STR_COUNT = 32768
 };
diff --git a/src/openrct2/network/NetworkAction.cpp b/src/openrct2/network/NetworkAction.cpp
index 812b4766fe..a3d1c4cd57 100644
--- a/src/openrct2/network/NetworkAction.cpp
+++ b/src/openrct2/network/NetworkAction.cpp
@@ -226,6 +226,11 @@ const std::vector<NetworkAction> NetworkActions::Actions =
         {
             GAME_COMMAND_MODIFY_TILE
         }
+    }, {
+        STR_ACTION_EDIT_SCENARIO_OPTIONS, "PERMISSION_EDIT_SCENARIO_OPTIONS",
+        {
+            GAME_COMMAND_EDIT_SCENARIO_OPTIONS
+        }
     }
 };
 
diff --git a/src/openrct2/network/network.cpp b/src/openrct2/network/network.cpp
index a81ee5fc9d..6efd69232e 100644
--- a/src/openrct2/network/network.cpp
+++ b/src/openrct2/network/network.cpp
@@ -750,6 +750,7 @@ void Network::SetupDefaultGroups()
 	user->ToggleActionPermission(18); // Cheat
 	user->ToggleActionPermission(20); // Passwordless login
 	user->ToggleActionPermission(21); // Modify Tile
+	user->ToggleActionPermission(22); // Edit Scenario Options
 	user->Id = 2;
 	group_list.push_back(std::move(user));
 	SetDefaultGroup(1);
diff --git a/src/openrct2/network/network.h b/src/openrct2/network/network.h
index b46d60c3e4..482d511a85 100644
--- a/src/openrct2/network/network.h
+++ b/src/openrct2/network/network.h
@@ -56,7 +56,7 @@ extern "C" {
 // This define specifies which version of network stream current build uses.
 // It is used for making sure only compatible builds get connected, even within
 // single OpenRCT2 version.
-#define NETWORK_STREAM_VERSION "15"
+#define NETWORK_STREAM_VERSION "16"
 #define NETWORK_STREAM_ID OPENRCT2_VERSION "-" NETWORK_STREAM_VERSION
 
 #ifdef __cplusplus
diff --git a/src/openrct2/windows/editor_scenario_options.c b/src/openrct2/windows/editor_scenario_options.c
index efd8f6fae3..164b41d6c8 100644
--- a/src/openrct2/windows/editor_scenario_options.c
+++ b/src/openrct2/windows/editor_scenario_options.c
@@ -14,6 +14,8 @@
  *****************************************************************************/
 #pragma endregion
 
+#include "../editor.h"
+#include "../game.h"
 #include "../interface/themes.h"
 #include "../interface/widget.h"
 #include "../interface/window.h"
@@ -498,22 +500,27 @@ static void window_editor_scenario_options_financial_mouseup(rct_window *w, sint
 		window_editor_scenario_options_set_page(w, widgetIndex - WIDX_TAB_1);
 		break;
 	case WIDX_NO_MONEY:
-		if (gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) {
-			gParkFlags ^= PARK_FLAGS_NO_MONEY_SCENARIO;
-		} else {
-			gParkFlags ^= PARK_FLAGS_NO_MONEY;
-			// Invalidate all windows that have anything to do with finance
-			window_invalidate_by_class(WC_RIDE);
-			window_invalidate_by_class(WC_PEEP);
-			window_invalidate_by_class(WC_PARK_INFORMATION);
-			window_invalidate_by_class(WC_FINANCES);
-			window_invalidate_by_class(WC_BOTTOM_TOOLBAR);
-			window_invalidate_by_class(WC_TOP_TOOLBAR);
-		}
+		game_do_command(
+			0, 
+			GAME_COMMAND_FLAG_APPLY,
+			EDIT_SCENARIOOPTIONS_SETNOMONEY,
+			gParkFlags & PARK_FLAGS_NO_MONEY ? 0 : 1,
+			GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+			0,
+			0
+		);
 		window_invalidate(w);
 		break;
 	case WIDX_FORBID_MARKETING:
-		gParkFlags ^= PARK_FLAGS_FORBID_MARKETING_CAMPAIGN;
+		game_do_command(
+			0,
+			GAME_COMMAND_FLAG_APPLY,
+			EDIT_SCENARIOOPTIONS_SETFORBIDMARKETINGCAMPAIGNS,
+			gParkFlags & PARK_FLAGS_FORBID_MARKETING_CAMPAIGN ? 0 : 1,
+			GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+			0,
+			0
+		);
 		window_invalidate(w);
 		break;
 	}
@@ -537,8 +544,15 @@ static void window_editor_scenario_options_financial_mousedown(sint32 widgetInde
 	switch (widgetIndex) {
 	case WIDX_INITIAL_CASH_INCREASE:
 		if (gInitialCash < MONEY(1000000,00)) {
-			gInitialCash += MONEY(500,00);
-			gCashEncrypted = ENCRYPT_MONEY(gInitialCash);
+			game_do_command(
+				0,
+				GAME_COMMAND_FLAG_APPLY,
+				EDIT_SCENARIOOPTIONS_SETINITIALCASH,
+				gInitialCash + MONEY(500,00),
+				GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+				0,
+				0
+			);
 		} else {
 			window_error_open(STR_CANT_INCREASE_CASH, STR_NONE);
 		}
@@ -546,8 +560,15 @@ static void window_editor_scenario_options_financial_mousedown(sint32 widgetInde
 		break;
 	case WIDX_INITIAL_CASH_DECREASE:
 		if (gInitialCash > MONEY(0,00)) {
-			gInitialCash -= MONEY(500,00);
-			gCashEncrypted = ENCRYPT_MONEY(gInitialCash);
+			game_do_command(
+				0,
+				GAME_COMMAND_FLAG_APPLY,
+				EDIT_SCENARIOOPTIONS_SETINITIALCASH,
+				gInitialCash - MONEY(500,00),
+				GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+				0,
+				0
+			);
 		} else {
 			window_error_open(STR_CANT_REDUCE_CASH, STR_NONE);
 		}
@@ -555,8 +576,15 @@ static void window_editor_scenario_options_financial_mousedown(sint32 widgetInde
 		break;
 	case WIDX_INITIAL_LOAN_INCREASE:
 		if (gBankLoan < MONEY(5000000,00)) {
-			gBankLoan += MONEY(1000,00);
-			gMaxBankLoan = max(gBankLoan, gMaxBankLoan);
+			game_do_command(
+				0,
+				GAME_COMMAND_FLAG_APPLY,
+				EDIT_SCENARIOOPTIONS_SETINITIALLOAN,
+				gBankLoan + MONEY(1000,00),
+				GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+				0,
+				0
+			);
 		} else {
 			window_error_open(STR_CANT_INCREASE_INIT_LOAN, STR_NONE);
 		}
@@ -564,8 +592,15 @@ static void window_editor_scenario_options_financial_mousedown(sint32 widgetInde
 		break;
 	case WIDX_INITIAL_LOAN_DECREASE:
 		if (gBankLoan > MONEY(0,00)) {
-			gBankLoan -= MONEY(1000,00);
-			gMaxBankLoan = max(gBankLoan, gMaxBankLoan);
+			game_do_command(
+				0,
+				GAME_COMMAND_FLAG_APPLY,
+				EDIT_SCENARIOOPTIONS_SETINITIALLOAN,
+				gBankLoan - MONEY(1000,00),
+				GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+				0,
+				0
+			);
 		} else {
 			window_error_open(STR_CANT_REDUCE_INIT_LOAN, STR_NONE);
 		}
@@ -573,8 +608,15 @@ static void window_editor_scenario_options_financial_mousedown(sint32 widgetInde
 		break;
 	case WIDX_MAXIMUM_LOAN_INCREASE:
 		if (gMaxBankLoan < MONEY(5000000,00)) {
-			gMaxBankLoan += MONEY(1000,00);
-			gBankLoan = min(gBankLoan, gMaxBankLoan);
+			game_do_command(
+				0,
+				GAME_COMMAND_FLAG_APPLY,
+				EDIT_SCENARIOOPTIONS_SETMAXIMUMLOANSIZE,
+				gMaxBankLoan + MONEY(1000,00),
+				GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+				0,
+				0
+			);
 		} else {
 			window_error_open(STR_CANT_INCREASE_MAX_LOAN, STR_NONE);
 		}
@@ -582,8 +624,15 @@ static void window_editor_scenario_options_financial_mousedown(sint32 widgetInde
 		break;
 	case WIDX_MAXIMUM_LOAN_DECREASE:
 		if (gMaxBankLoan > MONEY(0,00)) {
-			gMaxBankLoan -= MONEY(1000,00);
-			gBankLoan = min(gBankLoan, gMaxBankLoan);
+			game_do_command(
+				0,
+				GAME_COMMAND_FLAG_APPLY,
+				EDIT_SCENARIOOPTIONS_SETMAXIMUMLOANSIZE,
+				gMaxBankLoan - MONEY(1000,00),
+				GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+				0,
+				0
+			);
 		} else {
 			window_error_open(STR_CANT_REDUCE_MAX_LOAN, STR_NONE);
 		}
@@ -592,9 +641,25 @@ static void window_editor_scenario_options_financial_mousedown(sint32 widgetInde
 	case WIDX_INTEREST_RATE_INCREASE:
 		if (gBankLoanInterestRate < 80) {
 			if (gBankLoanInterestRate < 0) {
-				gBankLoanInterestRate = 0;
+				game_do_command(
+					0,
+					GAME_COMMAND_FLAG_APPLY,
+					EDIT_SCENARIOOPTIONS_SETANNUALINTERESTRATE,
+					0,
+					GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+					0,
+					0
+				);
 			} else {
-				gBankLoanInterestRate++;
+				game_do_command(
+					0,
+					GAME_COMMAND_FLAG_APPLY,
+					EDIT_SCENARIOOPTIONS_SETANNUALINTERESTRATE,
+					gBankLoanInterestRate + 1,
+					GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+					0,
+					0
+				);
 			}
 		} else {
 			window_error_open(STR_CANT_INCREASE_INTEREST_RATE, STR_NONE);
@@ -604,9 +669,25 @@ static void window_editor_scenario_options_financial_mousedown(sint32 widgetInde
 	case WIDX_INTEREST_RATE_DECREASE:
 		if (gBankLoanInterestRate > 0) {
 			if (gBankLoanInterestRate > 80) {
-				gBankLoanInterestRate = 80;
+				game_do_command(
+					0,
+					GAME_COMMAND_FLAG_APPLY,
+					EDIT_SCENARIOOPTIONS_SETANNUALINTERESTRATE,
+					80,
+					GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+					0,
+					0
+				);
 			} else {
-				gBankLoanInterestRate--;
+				game_do_command(
+					0,
+					GAME_COMMAND_FLAG_APPLY,
+					EDIT_SCENARIOOPTIONS_SETANNUALINTERESTRATE,
+					gBankLoanInterestRate - 1,
+					GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+					0,
+					0
+				);
 			}
 		} else {
 			window_error_open(STR_CANT_REDUCE_INTEREST_RATE, STR_NONE);
@@ -754,11 +835,27 @@ static void window_editor_scenario_options_guests_mouseup(rct_window *w, sint32
 		window_editor_scenario_options_set_page(w, widgetIndex - WIDX_TAB_1);
 		break;
 	case WIDX_GUEST_PREFER_LESS_INTENSE_RIDES:
-		gParkFlags ^= PARK_FLAGS_PREF_LESS_INTENSE_RIDES;
+		game_do_command(
+			0,
+			GAME_COMMAND_FLAG_APPLY,
+			EDIT_SCENARIOOPTIONS_SETGUESTSPREFERLESSINTENSERIDES,
+			gParkFlags & PARK_FLAGS_PREF_LESS_INTENSE_RIDES ? 0 : 1,
+			GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+			0,
+			0
+		);
 		window_invalidate(w);
 		break;
 	case WIDX_GUEST_PREFER_MORE_INTENSE_RIDES:
-		gParkFlags ^= PARK_FLAGS_PREF_MORE_INTENSE_RIDES;
+		game_do_command(
+			0,
+			GAME_COMMAND_FLAG_APPLY,
+			EDIT_SCENARIOOPTIONS_SETGUESTSPREFERMOREINTENSERIDES,
+			gParkFlags & PARK_FLAGS_PREF_MORE_INTENSE_RIDES ? 0 : 1,
+			GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+			0,
+			0
+		);
 		window_invalidate(w);
 		break;
 	}
@@ -782,7 +879,15 @@ static void window_editor_scenario_options_guests_mousedown(sint32 widgetIndex,
 	switch (widgetIndex) {
 	case WIDX_CASH_PER_GUEST_INCREASE:
 		if (gGuestInitialCash < MONEY(1000, 00)) {
-			gGuestInitialCash += MONEY(1, 00);
+			game_do_command(
+				0,
+				GAME_COMMAND_FLAG_APPLY,
+				EDIT_SCENARIOOPTIONS_SETAVERAGECASHPERGUEST,
+				gGuestInitialCash + MONEY(1, 00),
+				GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+				0,
+				0
+			);
 		} else {
 			window_error_open(STR_CANT_INCREASE_FURTHER, STR_NONE);
 		}
@@ -790,7 +895,15 @@ static void window_editor_scenario_options_guests_mousedown(sint32 widgetIndex,
 		break;
 	case WIDX_CASH_PER_GUEST_DECREASE:
 		if (gGuestInitialCash > MONEY(0, 00)) {
-			gGuestInitialCash -= MONEY(1, 00);
+			game_do_command(
+				0,
+				GAME_COMMAND_FLAG_APPLY,
+				EDIT_SCENARIOOPTIONS_SETAVERAGECASHPERGUEST,
+				gGuestInitialCash - MONEY(1, 00),
+				GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+				0,
+				0
+			);
 		} else {
 			window_error_open(STR_CANT_REDUCE_FURTHER, STR_NONE);
 		}
@@ -798,7 +911,15 @@ static void window_editor_scenario_options_guests_mousedown(sint32 widgetIndex,
 		break;
 	case WIDX_GUEST_INITIAL_HAPPINESS_INCREASE:
 		if (gGuestInitialHappiness < 250) {
-			gGuestInitialHappiness += 4;
+			game_do_command(
+				0,
+				GAME_COMMAND_FLAG_APPLY,
+				EDIT_SCENARIOOPTIONS_SETGUESTINITIALHAPPINESS,
+				gGuestInitialHappiness + 4,
+				GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+				0,
+				0
+			);
 		} else {
 			window_error_open(STR_CANT_INCREASE_FURTHER, STR_NONE);
 		}
@@ -806,7 +927,15 @@ static void window_editor_scenario_options_guests_mousedown(sint32 widgetIndex,
 		break;
 	case WIDX_GUEST_INITIAL_HAPPINESS_DECREASE:
 		if (gGuestInitialHappiness > 40) {
-			gGuestInitialHappiness -= 4;
+			game_do_command(
+				0,
+				GAME_COMMAND_FLAG_APPLY,
+				EDIT_SCENARIOOPTIONS_SETGUESTINITIALHAPPINESS,
+				gGuestInitialHappiness - 4,
+				GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+				0,
+				0
+			);
 		} else {
 			window_error_open(STR_CANT_REDUCE_FURTHER, STR_NONE);
 		}
@@ -814,7 +943,15 @@ static void window_editor_scenario_options_guests_mousedown(sint32 widgetIndex,
 		break;
 	case WIDX_GUEST_INITIAL_HUNGER_INCREASE:
 		if (gGuestInitialHunger > 40) {
-			gGuestInitialHunger -= 4;
+			game_do_command(
+				0,
+				GAME_COMMAND_FLAG_APPLY,
+				EDIT_SCENARIOOPTIONS_SETGUESTINITIALHUNGER,
+				gGuestInitialHunger - 4,
+				GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+				0,
+				0
+			);
 		} else {
 			window_error_open(STR_CANT_INCREASE_FURTHER, STR_NONE);
 		}
@@ -822,7 +959,15 @@ static void window_editor_scenario_options_guests_mousedown(sint32 widgetIndex,
 		break;
 	case WIDX_GUEST_INITIAL_HUNGER_DECREASE:
 		if (gGuestInitialHunger < 250) {
-			gGuestInitialHunger += 4;
+			game_do_command(
+				0,
+				GAME_COMMAND_FLAG_APPLY,
+				EDIT_SCENARIOOPTIONS_SETGUESTINITIALHUNGER,
+				gGuestInitialHunger + 4,
+				GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+				0,
+				0
+			);
 		} else {
 			window_error_open(STR_CANT_REDUCE_FURTHER, STR_NONE);
 		}
@@ -830,7 +975,15 @@ static void window_editor_scenario_options_guests_mousedown(sint32 widgetIndex,
 		break;
 	case WIDX_GUEST_INITIAL_THIRST_INCREASE:
 		if (gGuestInitialThirst > 40) {
-			gGuestInitialThirst -= 4;
+			game_do_command(
+				0,
+				GAME_COMMAND_FLAG_APPLY,
+				EDIT_SCENARIOOPTIONS_SETGUESTINITIALTHIRST,
+				gGuestInitialThirst - 4,
+				GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+				0,
+				0
+			);
 		} else {
 			window_error_open(STR_CANT_INCREASE_FURTHER, STR_NONE);
 		}
@@ -838,7 +991,15 @@ static void window_editor_scenario_options_guests_mousedown(sint32 widgetIndex,
 		break;
 	case WIDX_GUEST_INITIAL_THIRST_DECREASE:
 		if (gGuestInitialThirst < 250) {
-			gGuestInitialThirst += 4;
+			game_do_command(
+				0,
+				GAME_COMMAND_FLAG_APPLY,
+				EDIT_SCENARIOOPTIONS_SETGUESTINITIALTHIRST,
+				gGuestInitialThirst + 4,
+				GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+				0,
+				0
+			);
 		} else {
 			window_error_open(STR_CANT_REDUCE_FURTHER, STR_NONE);
 		}
@@ -982,23 +1143,63 @@ static void window_editor_scenario_options_park_mouseup(rct_window *w, sint32 wi
 		window_editor_scenario_options_set_page(w, widgetIndex - WIDX_TAB_1);
 		break;
 	case WIDX_FORBID_TREE_REMOVAL:
-		gParkFlags ^= PARK_FLAGS_FORBID_TREE_REMOVAL;
+		game_do_command(
+			0,
+			GAME_COMMAND_FLAG_APPLY,
+			EDIT_SCENARIOOPTIONS_SETFORBIDTREEREMOVAL,
+			gParkFlags & PARK_FLAGS_FORBID_TREE_REMOVAL ? 0 : 1,
+			GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+			0,
+			0
+		);
 		window_invalidate(w);
 		break;
 	case WIDX_FORBID_LANDSCAPE_CHANGES:
-		gParkFlags ^= PARK_FLAGS_FORBID_LANDSCAPE_CHANGES;
+		game_do_command(
+			0,
+			GAME_COMMAND_FLAG_APPLY,
+			EDIT_SCENARIOOPTIONS_SETFORBIDLANDSCAPECHANGES,
+			gParkFlags & PARK_FLAGS_FORBID_LANDSCAPE_CHANGES ? 0 : 1,
+			GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+			0,
+			0
+		);
 		window_invalidate(w);
 		break;
 	case WIDX_FORBID_HIGH_CONSTRUCTION:
-		gParkFlags ^= PARK_FLAGS_FORBID_HIGH_CONSTRUCTION;
+		game_do_command(
+			0,
+			GAME_COMMAND_FLAG_APPLY,
+			EDIT_SCENARIOOPTIONS_SETFORBIDHIGHCONSTRUCTION,
+			gParkFlags & PARK_FLAGS_FORBID_HIGH_CONSTRUCTION ? 0 : 1,
+			GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+			0,
+			0
+		);
 		window_invalidate(w);
 		break;
 	case WIDX_HARD_PARK_RATING:
-		gParkFlags ^= PARK_FLAGS_DIFFICULT_PARK_RATING;
+		game_do_command(
+			0,
+			GAME_COMMAND_FLAG_APPLY,
+			EDIT_SCENARIOOPTIONS_SETPARKRATINGHIGHERDIFFICULTLEVEL,
+			gParkFlags & PARK_FLAGS_DIFFICULT_PARK_RATING ? 0 : 1,
+			GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+			0,
+			0
+		);
 		window_invalidate(w);
 		break;
 	case WIDX_HARD_GUEST_GENERATION:
-		gParkFlags ^= PARK_FLAGS_DIFFICULT_GUEST_GENERATION;
+		game_do_command(
+			0,
+			GAME_COMMAND_FLAG_APPLY,
+			EDIT_SCENARIOOPTIONS_SETGUESTGENERATIONHIGHERDIFFICULTLEVEL,
+			gParkFlags & PARK_FLAGS_DIFFICULT_GUEST_GENERATION ? 0 : 1,
+			GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+			0,
+			0
+		);
 		window_invalidate(w);
 		break;
 	}
@@ -1024,7 +1225,15 @@ static void window_editor_scenario_options_park_mousedown(sint32 widgetIndex, rc
 	switch (widgetIndex) {
 	case WIDX_LAND_COST_INCREASE:
 		if (gLandPrice < MONEY(200,00)) {
-			gLandPrice += MONEY(1,00);
+			game_do_command(
+				0,
+				GAME_COMMAND_FLAG_APPLY,
+				EDIT_SCENARIOOPTIONS_SETCOSTTOBUYLAND,
+				gLandPrice + MONEY(1,00),
+				GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+				0,
+				0
+			);
 		} else {
 			window_error_open(STR_CANT_INCREASE_FURTHER, STR_NONE);
 		}
@@ -1032,7 +1241,15 @@ static void window_editor_scenario_options_park_mousedown(sint32 widgetIndex, rc
 		break;
 	case WIDX_LAND_COST_DECREASE:
 		if (gLandPrice > MONEY(5,00)) {
-			gLandPrice -= MONEY(1,00);
+			game_do_command(
+				0,
+				GAME_COMMAND_FLAG_APPLY,
+				EDIT_SCENARIOOPTIONS_SETCOSTTOBUYLAND,
+				gLandPrice - MONEY(1, 00),
+				GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+				0,
+				0
+			);
 		} else {
 			window_error_open(STR_CANT_REDUCE_FURTHER, STR_NONE);
 		}
@@ -1040,7 +1257,15 @@ static void window_editor_scenario_options_park_mousedown(sint32 widgetIndex, rc
 		break;
 	case WIDX_CONSTRUCTION_RIGHTS_COST_INCREASE:
 		if (gConstructionRightsPrice < MONEY(200,00)) {
-			gConstructionRightsPrice += MONEY(1,00);
+			game_do_command(
+				0,
+				GAME_COMMAND_FLAG_APPLY,
+				EDIT_SCENARIOOPTIONS_SETCOSTTOBUYCONSTRUCTIONRIGHTS,
+				gConstructionRightsPrice + MONEY(1,00),
+				GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+				0,
+				0
+			);
 		} else {
 			window_error_open(STR_CANT_INCREASE_FURTHER, STR_NONE);
 		}
@@ -1048,7 +1273,15 @@ static void window_editor_scenario_options_park_mousedown(sint32 widgetIndex, rc
 		break;
 	case WIDX_CONSTRUCTION_RIGHTS_COST_DECREASE:
 		if (gConstructionRightsPrice > MONEY(5,00)) {
-			gConstructionRightsPrice -= MONEY(1,00);
+			game_do_command(
+				0,
+				GAME_COMMAND_FLAG_APPLY,
+				EDIT_SCENARIOOPTIONS_SETCOSTTOBUYCONSTRUCTIONRIGHTS,
+				gConstructionRightsPrice - MONEY(1,00),
+				GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+				0,
+				0
+			);
 		} else {
 			window_error_open(STR_CANT_REDUCE_FURTHER, STR_NONE);
 		}
@@ -1056,7 +1289,15 @@ static void window_editor_scenario_options_park_mousedown(sint32 widgetIndex, rc
 		break;
 	case WIDX_ENTRY_PRICE_INCREASE:
 		if (gParkEntranceFee < MONEY(100,00)) {
-			gParkEntranceFee += MONEY(1,00);
+			game_do_command(
+				0,
+				GAME_COMMAND_FLAG_APPLY,
+				EDIT_SCENARIOOPTIONS_SETPARKCHARGEENTRYFEE,
+				gParkEntranceFee + MONEY(1,00),
+				GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+				0,
+				0
+			);
 		} else {
 			window_error_open(STR_CANT_INCREASE_FURTHER, STR_NONE);
 		}
@@ -1064,7 +1305,15 @@ static void window_editor_scenario_options_park_mousedown(sint32 widgetIndex, rc
 		break;
 	case WIDX_ENTRY_PRICE_DECREASE:
 		if (gParkEntranceFee > MONEY(0,00)) {
-			gParkEntranceFee -= MONEY(1,00);
+			game_do_command(
+				0,
+				GAME_COMMAND_FLAG_APPLY,
+				EDIT_SCENARIOOPTIONS_SETPARKCHARGEENTRYFEE,
+				gParkEntranceFee - MONEY(1,00),
+				GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+				0,
+				0
+			);
 		} else {
 			window_error_open(STR_CANT_REDUCE_FURTHER, STR_NONE);
 		}
@@ -1101,32 +1350,15 @@ static void window_editor_scenario_options_park_mousedown(sint32 widgetIndex, rc
 static void window_editor_scenario_options_park_dropdown(rct_window *w, sint32 widgetIndex, sint32 dropdownIndex)
 {
 	if (widgetIndex == WIDX_PAY_FOR_PARK_OR_RIDES_DROPDOWN && dropdownIndex != -1) {
-		if(gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) {
-			if (dropdownIndex == 0) {
-				if (!(gParkFlags & PARK_FLAGS_PARK_FREE_ENTRY)) {
-					gParkFlags |= PARK_FLAGS_PARK_FREE_ENTRY;
-					gParkEntranceFee = MONEY(0, 00);
-				}
-			} else {
-				if (gParkFlags & PARK_FLAGS_PARK_FREE_ENTRY) {
-					gParkFlags &= ~PARK_FLAGS_PARK_FREE_ENTRY;
-					gParkEntranceFee = MONEY(10, 00);
-				}
-			}
-		}
-		else {
-			if (dropdownIndex == 0) {
-				if (!(gParkFlags & PARK_FLAGS_PARK_FREE_ENTRY)) {
-					gParkFlags |= PARK_FLAGS_PARK_FREE_ENTRY;
-				}
-			} else {
-				if (gParkFlags & PARK_FLAGS_PARK_FREE_ENTRY) {
-					gParkFlags &= ~PARK_FLAGS_PARK_FREE_ENTRY;
-				}
-			}
-			window_invalidate_by_class(WC_PARK_INFORMATION);
-			window_invalidate_by_class(WC_RIDE);
-		}
+		game_do_command(
+			0,
+			GAME_COMMAND_FLAG_APPLY,
+			EDIT_SCENARIOOPTIONS_SETPARKCHARGEMETHOD,
+			dropdownIndex,
+			GAME_COMMAND_EDIT_SCENARIO_OPTIONS,
+			0,
+			0
+		);
 		window_invalidate(w);
 	}
 }
diff --git a/src/openrct2/windows/top_toolbar.c b/src/openrct2/windows/top_toolbar.c
index 35b51f622a..effe5dd24d 100644
--- a/src/openrct2/windows/top_toolbar.c
+++ b/src/openrct2/windows/top_toolbar.c
@@ -3065,7 +3065,6 @@ void top_toolbar_init_debug_menu(rct_window* w, rct_widget* widget)
 	if (network_get_mode() != NETWORK_MODE_NONE) {
 		dropdown_set_disabled(DDIDX_OBJECT_SELECTION, true);
 		dropdown_set_disabled(DDIDX_INVENTIONS_LIST, true);
-		dropdown_set_disabled(DDIDX_SCENARIO_OPTIONS, true);
 	}
 
 	dropdown_set_checked(DDIDX_DEBUG_PAINT, window_find_by_class(WC_DEBUG_PAINT) != NULL);