Thanks to your feedbacks, I have deployed a new version of the game. Below is the content of the build. I want to thank everyone helping me making the game a better version ! ------- [b]FIXED[/b] [list] [*] Builder vehicles is not blocked by obstacles / map border anymore [*] Changing building while dragging some other building now cancel the drag [*] Light reflections on belts [*] Rocket launch contract success working properly [/list] [b]Updated[/b] [list] [*] tutorial steps typos and keys [/list] [b]Added [/b] [list] [*] Back button in main game menu [/list]