feat: Implement the core game scene, initializing various managers, multiplayer setup, and dynamic arena elements.

scenes/main.gd

@@ -702,9 +702,10 @@ func _start_game():
 			stop_n_go_manager.setup_mission_tiles()
 			stop_n_go_manager.spawn_initial_powerups() # Ensure power-ups exist before 1,2,3 Go
 			
-		# Spawn Static Tektons BEFORE countdown (Free Mode Only)
+		# Spawn Static Tektons and random tiles BEFORE countdown (Free Mode Only)
 		# Exclude for Stop n Go and Tekton Doors
 		if LobbyManager.game_mode != "Stop n Go" and LobbyManager.game_mode != "Tekton Doors":
+			randomize_game_grid()
 			spawn_static_tektons()
 			
 		# Tekton Doors: Randomize connections BEFORE countdown so colors show
@@ -1620,6 +1621,12 @@ func randomize_game_grid():
 				return -1 # Empty
 			
 		enhanced_gridmap.randomize_floor(1, density_callable)
+		
+		# Sync with all clients immediately
+		if multiplayer.is_server():
+			var grid_data = enhanced_gridmap.get_floor_data(1)
+			rpc("sync_full_grid_data", grid_data)
+			print("[Main] Server: Randomized grid (80%% density) and broadcasted to clients.")
 
 @rpc("authority", "call_local", "reliable")
 func sync_full_grid_data_stop_n_go(floor0: PackedInt32Array, floor1: PackedInt32Array, cols: int, rows: int):