Crab was made in two days for Ludum Dare 24, on the theme of evolution.
It is a short, story based game, with a strong emphasis on atmosphere.
You play as a red bubble, trying to find someplace to live in.
But every house you find mysteriously corrupts itself...
The controls are pretty simple:
Keep in mind that you can leave some screens by going to the left or to the right.
Crab got pretty good ratings! Here they are: