Midnight Repair

Grayson, a locomotive engineer, is tasked with repairing two trains during his night shift, which he prefers because he enjoys cold nights with coffee. However, as midnight approaches, horror strikes, and strange, unexplainable things begin to happen. Can Grayson repair both trains, or will he succumb to fear?Yahaha: https://www.yahaha.com/app/spaces/274934017813Replaced Lever Puzzle