This game is really cool I hope you update it :)
They aren't problems, they are some difficulties with the game. The jumping mechanism is so old you could have implemented the more you hold the key the more it jumps until it reaches a number then reset back again to normal. Another thing I wanna say is, the game is kinda low in options you can't pause the game or return to the main menu you have to quit and rejoin the game. That's all I gotta say your game is really cool btw :)