GAMEPLAY
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The core concept is very cool.
I really like that you do not added a jump button and forced us to play with the platforms. However, some parts of the track are not very satisfying to pass and the game flow could be improved. I've also managed to get stuck into some parts of the track as I do not have a jump button.
I also believe that the lives system is outdated. Once we hit a checkpoint, we could just die and go back there whenever we want as it is very annoying to get to the beggining of the level and pass those not pleasant parts again.
ART
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Cute and simple. It needs a bit of polishing but for a 1 week of work this is really awesome. I like that you explained the commands in the walls. You are just learning the commands as you play the game.