Pretty creative game, I think it's a very easy to understand gameplay loop which was fun to play but also a bit challenging at times. When the red magenta and blue ones were reintroduced, it actually got a bit tough! Also I think the music for each area was pretty good.
I think my main complaints are that it didn't last long enough; like I think it ended right before it could have gotten really interesting. Some extra levels with more types of little guys and more of them being on screen would be ideal, especially if the game kept ramping up difficulty until you lost. Also the background of the final level is maybe a bit too distracting for me personally? Still, it's a wonderful first jam game.