diff -ruN a/src/core/game_settings.gd b/src/core/game_settings.gd
--- a/src/core/game_settings.gd	2026-11-07 00:09:03.034481849 -0300
+++ b/src/core/game_settings.gd	2026-11-07 00:09:03.069453885 -0300
@@ -70,9 +70,12 @@
 			window.mode = Window.MODE_FULLSCREEN
 		else:
 			window.mode = Window.MODE_WINDOWED
-			window.size = (
-				Vector2i(Constants.VIEWPORT_WIDTH, Constants.VIEWPORT_HEIGHT) * window_scale
-			)
+			# Site build: in the browser the canvas follows the page, so the window is not resized
+			# (forcing 1280x720 made it overflow the game frame and cropped the picture).
+			if not OS.has_feature("web"):
+				window.size = (
+					Vector2i(Constants.VIEWPORT_WIDTH, Constants.VIEWPORT_HEIGHT) * window_scale
+				)
 		DisplayServer.window_set_vsync_mode(
 			DisplayServer.VSYNC_ENABLED if vsync else DisplayServer.VSYNC_DISABLED
 		)
diff -ruN a/src/data/balance.gd b/src/data/balance.gd
--- a/src/data/balance.gd	2026-11-06 23:42:19.928059429 -0300
+++ b/src/data/balance.gd	2026-11-06 23:42:19.966080065 -0300
@@ -3,7 +3,9 @@
 ## Loads data/balance/physics.csv (key,value) once and maps 1-5 stat ranks to physical values.
 ## Static access only; call Balance.reload() in tests that write a different CSV.
 
-const CSV_PATH: String = "res://data/balance/physics.csv"
+# Site build: the Godot importer turns physics.csv into a translation and leaves the source out of the pack, so the build
+# script renames the file (no importer for .txt) and this path follows it.
+const CSV_PATH: String = "res://data/balance/physics.data.txt"
 
 static var _values: Dictionary = {}
 static var _loaded: bool = false
diff -ruN a/src/ui/menu/menu_screen.gd b/src/ui/menu/menu_screen.gd
--- a/src/ui/menu/menu_screen.gd	2026-11-06 23:31:17.335760794 -0300
+++ b/src/ui/menu/menu_screen.gd	2026-11-06 23:31:17.362917650 -0300
@@ -19,6 +19,9 @@
 	garage_button.pressed.connect(garage)
 	options_button.pressed.connect(options)
 	quit_button.pressed.connect(quit)
+	# Site build: no online rooms (they need a game server) and no Quit (it only freezes a browser page).
+	online_button.hide()
+	quit_button.hide()
 	PlayerProfile.changed.connect(refresh)
 	GameSettings.changed.connect(refresh)
 	refresh()