141 Seconds for me ! Good job on making that in about 3 hours, the thing that I was not expecting was this : In the last level I think where you have to use a square to collect coins with the platform, I accidentaly lost the platform on the bottom of the screen so I had to restart the game. And when I did I realized that the 3rd level's difficulty curve and speed is randomly generated. I though it was a really nice touch : Either you get a hard gameplay and you finish faster or easier gameplay but take more time to complete.
Sorry for long post, overall really liked the idea. This game would be really good for speedrunners, good job :)