Cool game you made ^^ Nice use of the theme as well :)
If you polish up a bit the controls I think you could make a really good puzzle games, the rail robot could give you lots of possibilities for different puzzles. The use of the lantern was really good!
One suggestion I'd give you is maybe add a bit more weight to the wheeled robot so it feels nicer to control, especially If you make more levels with slopes in it ^^
And another thing is, just so you know, first I had the game in windowed mode, just as it comes when you click on play, and when I made it fullscreen it got a lot easier due to having a ultra wide screen. I was able to see almost the whole level, which I thought was nice, but maybe not intended for you lol (Nice job overall :D)