Great game! defiantly got me to play the game for a bit through difficulty alone lol. I think the difficulty might be a little too much for a game Jam but that's just my opinion. The sound was a little too loud for me, but the ambiance worked well and the controls felt nice and snappy. Adding a background would help keep my eyes interested, and the enemies felt weird to jump on at times(also have them kill the player from both sides instead of just the one their facing). Overall good game just too guess-worky and difficult. (I nearly gave up on the jump before the last spike jump!)