diff --git a/src/openrct2/Context.cpp b/src/openrct2/Context.cpp
index 28a36c1ec9..f912fd3770 100644
--- a/src/openrct2/Context.cpp
+++ b/src/openrct2/Context.cpp
@@ -502,7 +502,7 @@ namespace OpenRCT2
             viewport_init_all();
 
             _gameState = std::make_unique<GameState>();
-            _gameState->InitAll({ 150, 150 });
+            _gameState->InitAll(DEFAULT_MAP_SIZE);
 
             _titleScreen = std::make_unique<TitleScreen>(*_gameState);
             _uiContext->Initialise();
diff --git a/src/openrct2/Editor.cpp b/src/openrct2/Editor.cpp
index 31bf94c957..973c024c9d 100644
--- a/src/openrct2/Editor.cpp
+++ b/src/openrct2/Editor.cpp
@@ -206,7 +206,8 @@ namespace Editor
      */
     static void SetAllLandOwned()
     {
-        MapRange range = { 64, 64, (gMapSize.x - 3) * 32, (gMapSize.y - 3) * 32 };
+        MapRange range = { 2 * COORDS_XY_STEP, 2 * COORDS_XY_STEP, (gMapSize.x - 3) * COORDS_XY_STEP,
+                           (gMapSize.y - 3) * COORDS_XY_STEP };
         auto landSetRightsAction = LandSetRightsAction(range, LandSetRightSetting::SetForSale);
         landSetRightsAction.SetFlags(GAME_COMMAND_FLAG_NO_SPEND);
         GameActions::Execute(&landSetRightsAction);
diff --git a/src/openrct2/actions/ChangeMapSizeAction.cpp b/src/openrct2/actions/ChangeMapSizeAction.cpp
index 44b490e21e..67aa9cd0c9 100644
--- a/src/openrct2/actions/ChangeMapSizeAction.cpp
+++ b/src/openrct2/actions/ChangeMapSizeAction.cpp
@@ -15,7 +15,7 @@
 #include "../ui/WindowManager.h"
 #include "../windows/Intent.h"
 
-ChangeMapSizeAction::ChangeMapSizeAction(const TileCoordsXY targetSize)
+ChangeMapSizeAction::ChangeMapSizeAction(const TileCoordsXY& targetSize)
     : _targetSize(targetSize)
 {
 }
@@ -37,7 +37,7 @@ GameActions::Result ChangeMapSizeAction::Query() const
     {
         return GameActions::Result(GameActions::Status::InvalidParameters, STR_CANT_INCREASE_MAP_SIZE_ANY_FURTHER, STR_NONE);
     }
-    if (_targetSize.x < 16 || _targetSize.y < 16)
+    if (_targetSize.x < MINIMUM_MAP_SIZE_TECHNICAL || _targetSize.y < MINIMUM_MAP_SIZE_TECHNICAL)
     {
         return GameActions::Result(GameActions::Status::InvalidParameters, STR_CANT_DECREASE_MAP_SIZE_ANY_FURTHER, STR_NONE);
     }
diff --git a/src/openrct2/actions/ChangeMapSizeAction.h b/src/openrct2/actions/ChangeMapSizeAction.h
index 332dd4cec6..0ef780a4dc 100644
--- a/src/openrct2/actions/ChangeMapSizeAction.h
+++ b/src/openrct2/actions/ChangeMapSizeAction.h
@@ -16,7 +16,7 @@ class ChangeMapSizeAction final : public GameActionBase<GameCommand::ChangeMapSi
 {
 public:
     ChangeMapSizeAction() = default;
-    ChangeMapSizeAction(const TileCoordsXY targetSize);
+    ChangeMapSizeAction(const TileCoordsXY& targetSize);
 
     void AcceptParameters(GameActionParameterVisitor& visitor) override;
     uint16_t GetActionFlags() const override;
diff --git a/src/openrct2/actions/FootpathPlaceAction.cpp b/src/openrct2/actions/FootpathPlaceAction.cpp
index ba1aefbbed..88caca26f6 100644
--- a/src/openrct2/actions/FootpathPlaceAction.cpp
+++ b/src/openrct2/actions/FootpathPlaceAction.cpp
@@ -458,16 +458,16 @@ void FootpathPlaceAction::AutomaticallySetPeepSpawn() const
 {
     auto mapSizeUnits = GetMapSizeUnits();
     uint8_t direction = 0;
-    if (_loc.x != 32)
+    if (_loc.x != COORDS_XY_STEP)
     {
         direction++;
-        if (_loc.y != mapSizeUnits.y - 32)
+        if (_loc.y != mapSizeUnits.y - COORDS_XY_STEP)
         {
             direction++;
-            if (_loc.x != mapSizeUnits.x - 32)
+            if (_loc.x != mapSizeUnits.x - COORDS_XY_STEP)
             {
                 direction++;
-                if (_loc.y != 32)
+                if (_loc.y != COORDS_XY_STEP)
                     return;
             }
         }
diff --git a/src/openrct2/actions/PlaceParkEntranceAction.cpp b/src/openrct2/actions/PlaceParkEntranceAction.cpp
index 8fb7704430..2f5c63cbe7 100644
--- a/src/openrct2/actions/PlaceParkEntranceAction.cpp
+++ b/src/openrct2/actions/PlaceParkEntranceAction.cpp
@@ -51,8 +51,9 @@ GameActions::Result PlaceParkEntranceAction::Query() const
     res.Expenditure = ExpenditureType::LandPurchase;
     res.Position = { _loc.x, _loc.y, _loc.z };
 
-    auto mapSizeUnits = GetMapSizeUnits() - CoordsXY{ 32, 32 };
-    if (!LocationValid(_loc) || _loc.x <= 32 || _loc.y <= 32 || _loc.x >= mapSizeUnits.x || _loc.y >= mapSizeUnits.y)
+    auto mapSizeUnits = GetMapSizeUnits() - CoordsXY{ COORDS_XY_STEP, COORDS_XY_STEP };
+    if (!LocationValid(_loc) || _loc.x <= COORDS_XY_STEP || _loc.y <= COORDS_XY_STEP || _loc.x >= mapSizeUnits.x
+        || _loc.y >= mapSizeUnits.y)
     {
         return GameActions::Result(
             GameActions::Status::InvalidParameters, STR_CANT_BUILD_THIS_HERE, STR_TOO_CLOSE_TO_EDGE_OF_MAP);
diff --git a/src/openrct2/actions/SetCheatAction.cpp b/src/openrct2/actions/SetCheatAction.cpp
index d271c4c692..8719fb552c 100644
--- a/src/openrct2/actions/SetCheatAction.cpp
+++ b/src/openrct2/actions/SetCheatAction.cpp
@@ -683,8 +683,8 @@ void SetCheatAction::SetStaffSpeed(uint8_t value) const
 
 void SetCheatAction::OwnAllLand() const
 {
-    const auto min = CoordsXY{ 32, 32 };
-    const auto max = GetMapSizeUnits() - CoordsXY{ 32, 32 };
+    const auto min = CoordsXY{ COORDS_XY_STEP, COORDS_XY_STEP };
+    const auto max = GetMapSizeUnits() - CoordsXY{ COORDS_XY_STEP, COORDS_XY_STEP };
 
     for (CoordsXY coords = min; coords.y <= max.y; coords.y += COORDS_XY_STEP)
     {
diff --git a/src/openrct2/cmdline/BenchSpriteSort.cpp b/src/openrct2/cmdline/BenchSpriteSort.cpp
index 48d57cb4af..1c8704f292 100644
--- a/src/openrct2/cmdline/BenchSpriteSort.cpp
+++ b/src/openrct2/cmdline/BenchSpriteSort.cpp
@@ -87,8 +87,8 @@ static std::vector<RecordedPaintSession> extract_paint_session(std::string_view
         gIntroState = IntroState::None;
         gScreenFlags = SCREEN_FLAGS_PLAYING;
 
-        int32_t resolutionWidth = (gMapSize.x * 32 * 2);
-        int32_t resolutionHeight = (gMapSize.y * 32 * 1);
+        int32_t resolutionWidth = (gMapSize.x * COORDS_XY_STEP * 2);
+        int32_t resolutionHeight = (gMapSize.y * COORDS_XY_STEP * 1);
 
         resolutionWidth += 8;
         resolutionHeight += 128;
@@ -102,15 +102,11 @@ static std::vector<RecordedPaintSession> extract_paint_session(std::string_view
         viewport.var_11 = 0;
         viewport.flags = 0;
 
-        int32_t customX = (gMapSize.x / 2) * 32 + 16;
-        int32_t customY = (gMapSize.y / 2) * 32 + 16;
+        auto customXY = TileCoordsXY(gMapSize.x / 2, gMapSize.y / 2).ToCoordsXY().ToTileCentre();
+        auto customXYZ = CoordsXYZ(customXY, tile_element_height(customXY));
+        auto screenXY = translate_3d_to_2d_with_z(0, customXYZ);
 
-        int32_t x = 0, y = 0;
-        int32_t z = tile_element_height({ customX, customY });
-        x = customY - customX;
-        y = ((customX + customY) / 2) - z;
-
-        viewport.viewPos = { x - ((viewport.view_width) / 2), y - ((viewport.view_height) / 2) };
+        viewport.viewPos = { screenXY.x - (viewport.view_width / 2), screenXY.y - (viewport.view_height / 2) };
         viewport.zoom = ZoomLevel{ 0 };
         gCurrentRotation = 0;
 
diff --git a/src/openrct2/interface/Screenshot.cpp b/src/openrct2/interface/Screenshot.cpp
index a303b05cc0..1bcf1b2422 100644
--- a/src/openrct2/interface/Screenshot.cpp
+++ b/src/openrct2/interface/Screenshot.cpp
@@ -217,8 +217,8 @@ enum class EdgeType
 static CoordsXY GetEdgeTile(TileCoordsXY mapSize, int32_t rotation, EdgeType edgeType, bool visible)
 {
     // TODO
-    int32_t lower = (visible ? 1 : 0) * 32;
-    int32_t upper = (visible ? mapSize.x - 2 : mapSize.x - 1) * 32;
+    int32_t lower = (visible ? 1 : 0) * COORDS_XY_STEP;
+    int32_t upper = (visible ? mapSize.x - 2 : mapSize.x - 1) * COORDS_XY_STEP;
     switch (edgeType)
     {
         default:
@@ -688,8 +688,8 @@ int32_t cmdline_for_screenshot(const char** argv, int32_t argc, ScreenshotOption
             const auto& mapSize = gMapSize;
             if (resolutionWidth == 0 || resolutionHeight == 0)
             {
-                resolutionWidth = (mapSize.x * 32 * 2) >> customZoom;
-                resolutionHeight = (mapSize.y * 32 * 1) >> customZoom;
+                resolutionWidth = (mapSize.x * COORDS_XY_STEP * 2) >> customZoom;
+                resolutionHeight = (mapSize.y * COORDS_XY_STEP * 1) >> customZoom;
 
                 resolutionWidth += 8;
                 resolutionHeight += 128;
diff --git a/src/openrct2/world/Map.h b/src/openrct2/world/Map.h
index 1468aac1a6..9c56c87b7a 100644
--- a/src/openrct2/world/Map.h
+++ b/src/openrct2/world/Map.h
@@ -29,6 +29,7 @@ constexpr const int32_t MAXIMUM_MAP_SIZE_BIG = COORDS_XY_STEP * MAXIMUM_MAP_SIZE
 constexpr const int32_t MAXIMUM_TILE_START_XY = MAXIMUM_MAP_SIZE_BIG - COORDS_XY_STEP;
 constexpr const int32_t LAND_HEIGHT_STEP = 2 * COORDS_Z_STEP;
 constexpr const int32_t MINIMUM_LAND_HEIGHT_BIG = MINIMUM_LAND_HEIGHT * COORDS_Z_STEP;
+constexpr const TileCoordsXY DEFAULT_MAP_SIZE = { 150, 150 };
 
 #define MAP_MINIMUM_X_Y (-MAXIMUM_MAP_SIZE_TECHNICAL)