Pretty decent for a first game jam. When I saw "R" I though I was supposed to use the R button to interact with the blocks, I didn't know what to do until I learned I had to used spacebar instead when I scanned your game page. Overall the game is a good template to keep adding more creative ideas to. Things like 1) Allowing the right character to trigger things in the left characters area as well. 2) Perhaps adding moving obstacles to both areas so characters would have to time their. Overall the game plays like its supposed to, well done.