Very well done. I'm stuck at the 30th level.
Bubblegum Planet (TweetTweetJam)
Go East as far as you can. A game in 560 characters for TweetTweetJam#2
- sound and music, sort of.
- pixel perfect collisions *
- freely explorable planet as long as you don't go left.
- 3 types of annoying aliens
*for certain pixels
Jam page and pico-8 source code: