You can't imagine how much I was waiting to play this. Wasn't dissapointed at all.
Not sure if you had plans to keep working on this, but here's my feedback:
Game Over menu is a bit difficult to use due to the mouse being invisible.
An option to have a fixed camera behind Sanix all the time would be great. Something you can toggle on and off during the game.
Also got the negative lives bug.
Somehow managed to clip Sanix through a platform and made him land on the ground below on his side. It wasn't game breaking (as soon as I made him walk he got on his legs again) and it was pretty hilarious, so is probably not worth fixing it.