This game requires quite a steep learning curve to get to grips with and sadly theres a few movement bugs here and there that can cause some issues. I like the concept of a keytar wielding dude slaying zombies with hot synths, but without a real piano to use, the key bindings are just bad for me. I couldn't beat the level despite trying many times. I just couldn't get to grips with the keys. I think an easy fix would be to keep all the sound the same, but display the keyboard letter above the enemies rather than the note. A good concept, but frustratingly fiddly. well done though, its unique, and interesting.