diff --git a/src/openrct2/editor.c b/src/openrct2/editor.c
index 9ed2979aab..a6b407aa22 100644
--- a/src/openrct2/editor.c
+++ b/src/openrct2/editor.c
@@ -87,26 +87,12 @@ void editor_load()
 	audio_stop_all_music_and_sounds();
 	object_manager_unload_all_objects();
 	object_list_load();
-	map_init(150);
-	banner_init();
-	reset_park_entrances();
-	user_string_clear_all();
-	reset_sprite_list();
-	ride_init_all();
-	window_guest_list_init_vars_a();
-	staff_reset_modes();
-	park_init();
-	finance_init();
-	date_reset();
-	window_guest_list_init_vars_b();
-	window_staff_list_init_vars();
+	game_init_all(150);
 	gScreenFlags = SCREEN_FLAGS_SCENARIO_EDITOR;
 	gS6Info.editor_step = EDITOR_STEP_OBJECT_SELECTION;
 	gParkFlags |= PARK_FLAGS_SHOW_REAL_GUEST_NAMES;
-	window_new_ride_init_vars();
 	gS6Info.category = SCENARIO_CATEGORY_OTHER;
 	viewport_init_all();
-	news_item_init_queue();
 	window_editor_main_open();
 	mainWindow = window_get_main();
 	window_scroll_to_location(mainWindow, 2400, 2400, 112);
@@ -170,34 +156,18 @@ static void editor_convert_save_to_scenario_callback(sint32 result, const utf8 *
  */
 void trackdesigner_load()
 {
-	rct_window *mainWindow;
-
 	audio_stop_all_music_and_sounds();
 	gScreenFlags = SCREEN_FLAGS_TRACK_DESIGNER;
 	gScreenAge = 0;
 
 	object_manager_unload_all_objects();
 	object_list_load();
-	map_init(150);
+	game_init_all(150);
 	set_all_land_owned();
-	banner_init();
-	reset_park_entrances();
-	user_string_clear_all();
-	reset_sprite_list();
-	ride_init_all();
-	window_guest_list_init_vars_a();
-	staff_reset_modes();
-	park_init();
-	finance_init();
-	date_reset();
-	window_guest_list_init_vars_b();
-	window_staff_list_init_vars();
 	gS6Info.editor_step = EDITOR_STEP_OBJECT_SELECTION;
-	window_new_ride_init_vars();
 	viewport_init_all();
-	news_item_init_queue();
 	window_editor_main_open();
-	mainWindow = window_get_main();
+	rct_window * mainWindow = window_get_main();
 	window_scroll_to_location(mainWindow, 2400, 2400, 112);
 	mainWindow->flags &= ~WF_SCROLLING_TO_LOCATION;
 	load_palette();
@@ -211,34 +181,18 @@ void trackdesigner_load()
  */
 void trackmanager_load()
 {
-	rct_window *mainWindow;
-
 	audio_stop_all_music_and_sounds();
 	gScreenFlags = SCREEN_FLAGS_TRACK_MANAGER;
 	gScreenAge = 0;
 
 	object_manager_unload_all_objects();
 	object_list_load();
-	map_init(150);
+	game_init_all(150);
 	set_all_land_owned();
-	banner_init();
-	reset_park_entrances();
-	user_string_clear_all();
-	reset_sprite_list();
-	ride_init_all();
-	window_guest_list_init_vars_a();
-	staff_reset_modes();
-	park_init();
-	finance_init();
-	date_reset();
-	window_guest_list_init_vars_b();
-	window_staff_list_init_vars();
 	gS6Info.editor_step = EDITOR_STEP_OBJECT_SELECTION;
-	window_new_ride_init_vars();
 	viewport_init_all();
-	news_item_init_queue();
 	window_editor_main_open();
-	mainWindow = window_get_main();
+	rct_window * mainWindow = window_get_main();
 	window_scroll_to_location(mainWindow, 2400, 2400, 112);
 	mainWindow->flags &= ~WF_SCROLLING_TO_LOCATION;
 	load_palette();
diff --git a/src/openrct2/game.c b/src/openrct2/game.c
index 0f6861d622..b14777b182 100644
--- a/src/openrct2/game.c
+++ b/src/openrct2/game.c
@@ -1161,6 +1161,31 @@ void game_load_or_quit_no_save_prompt()
 	}
 }
 
+/**
+ * Initialises the map, park etc. basically all S6 data.
+ */
+void game_init_all(sint32 mapSize)
+{
+	map_init(mapSize);
+	park_init();
+	finance_init();
+	reset_park_entrances();
+	banner_init();
+	ride_init_all();
+	reset_sprite_list();
+	staff_reset_modes();
+	date_reset();
+	climate_reset(CLIMATE_COOL_AND_WET);
+	news_item_init_queue();
+	user_string_clear_all();
+
+	window_new_ride_init_vars();
+	window_guest_list_init_vars_a();
+	window_guest_list_init_vars_b();
+	window_staff_list_init_vars();
+	scenery_set_default_placement_configuration();
+}
+
 GAME_COMMAND_POINTER* new_game_command_table[GAME_COMMAND_COUNT] = {
 	game_command_set_ride_appearance,
 	game_command_set_land_height,
diff --git a/src/openrct2/game.h b/src/openrct2/game.h
index 1a19167f5d..bf13755535 100644
--- a/src/openrct2/game.h
+++ b/src/openrct2/game.h
@@ -184,5 +184,6 @@ void game_convert_strings_to_utf8();
 void game_convert_strings_to_rct2(rct_s6_data *s6);
 void game_fix_save_vars();
 bool game_load_save_or_scenario(const utf8 * path);
+void game_init_all(sint32 mapSize);
 
 #endif
diff --git a/src/openrct2/rct1/S4Importer.cpp b/src/openrct2/rct1/S4Importer.cpp
index bec2894175..189c8aa613 100644
--- a/src/openrct2/rct1/S4Importer.cpp
+++ b/src/openrct2/rct1/S4Importer.cpp
@@ -179,27 +179,12 @@ private:
         uint16 mapSize = _s4.map_size == 0 ? 128 : _s4.map_size;
 
         // Do map initialisation, same kind of stuff done when loading scenario editor
-        audio_pause_sounds();
-        audio_unpause_sounds();
+        audio_stop_all_music_and_sounds();
         GetObjectManager()->UnloadAll();
-        map_init(mapSize);
-        banner_init();
-        reset_park_entrances();
-        user_string_clear_all();
-        reset_sprite_list();
-        ride_init_all();
-        window_guest_list_init_vars_a();
-        staff_reset_modes();
-        park_init();
-        finance_init();
-        date_reset();
-        window_guest_list_init_vars_b();
-        window_staff_list_init_vars();
+        game_init_all(mapSize);
         gS6Info.editor_step = EDITOR_STEP_OBJECT_SELECTION;
         gParkFlags |= PARK_FLAGS_SHOW_REAL_GUEST_NAMES;
-        window_new_ride_init_vars();
         gS6Info.category = SCENARIO_CATEGORY_OTHER;
-        news_item_init_queue();
     }
 
     /**
diff --git a/src/openrct2/rct2.c b/src/openrct2/rct2.c
index e9d313e4d4..b5a76638b3 100644
--- a/src/openrct2/rct2.c
+++ b/src/openrct2/rct2.c
@@ -170,23 +170,10 @@ bool rct2_init()
 		audio_init_ride_sounds_and_info();
 	}
 	viewport_init_all();
-	news_item_init_queue();
-	reset_park_entrances();
-	user_string_clear_all();
-	reset_sprite_list();
-	ride_init_all();
-	window_guest_list_init_vars_a();
-	staff_reset_modes();
-	map_init(150);
-	park_init();
+
+	game_init_all(150);
 	if (!gOpenRCT2Headless)
 		window_title_menu_open();
-	date_reset();
-	climate_reset(CLIMATE_COOL_AND_WET);
-	scenery_set_default_placement_configuration();
-	window_new_ride_init_vars();
-	window_guest_list_init_vars_b();
-	window_staff_list_init_vars();
 	load_palette();
 
 #ifdef __ENABLE_LIGHTFX__
diff --git a/src/openrct2/title/TitleScreen.cpp b/src/openrct2/title/TitleScreen.cpp
index 1b0628b972..9bda6890ea 100644
--- a/src/openrct2/title/TitleScreen.cpp
+++ b/src/openrct2/title/TitleScreen.cpp
@@ -122,25 +122,9 @@ extern "C"
 #ifndef DISABLE_NETWORK
         network_close();
 #endif
-        reset_park_entrances();
-        user_string_clear_all();
-        reset_sprite_list();
-        ride_init_all();
-        window_guest_list_init_vars_a();
-        staff_reset_modes();
-        map_init(150);
-        park_init();
-        date_reset();
-        climate_reset(CLIMATE_COOL_AND_WET);
-        scenery_set_default_placement_configuration();
-        window_new_ride_init_vars();
-        window_guest_list_init_vars_b();
-        window_staff_list_init_vars();
-        map_update_tile_pointers();
-        reset_sprite_spatial_index();
         audio_stop_all_music_and_sounds();
+        game_init_all(150);
         viewport_init_all();
-        news_item_init_queue();
         window_main_open();
         title_create_windows();
         TitleInitialise();
diff --git a/src/openrct2/world/map.c b/src/openrct2/world/map.c
index 067dd02185..9a9e0deec0 100644
--- a/src/openrct2/world/map.c
+++ b/src/openrct2/world/map.c
@@ -368,7 +368,6 @@ rct_map_element* map_get_banner_element_at(sint32 x, sint32 y, sint32 z, uint8 p
  */
 void map_init(sint32 size)
 {
-	date_reset();
 	gNumMapAnimations = 0;
 	gNextFreeMapElementPointerIndex = 0;
 
@@ -397,7 +396,6 @@ void map_init(sint32 size)
 	gMapBaseZ = 7;
 	map_update_tile_pointers();
 	map_remove_out_of_range_elements();
-	climate_reset(CLIMATE_WARM);
 }
 
 /**