Nice, background kinda hurts my eyes a bit but Im probably a baby. Also Id make the hitbox a little smaller or the sprite sprite a little bigger just to sway it in the players favor a bit.

Im not sure it's possible to lose? maybe Im not doing it right. It lets me put ones and as long as you always pick red you always win? The computer never places the ones until the last round if you made this happen every other round then it would probably be better

Music and graphics match well, game is solid too. I would only suggest using some sort of checkpoint system because restarting really close to the object that killed you is sometimes annoying. Sometime restarting would also start in whatever state you were in before you got hit which put you at a disadvantage from the get go. Checkpoints could be placed in safer areas of the game giving time to the player to recalibrate. Also maybe a quick screen when you start saying "Jump/Avoid these objects". Pretty cool though.