Adds ways to recycle and process waste products through biological means and make use of biological processes and farming.
Mods introducing new content into the game.
Map generation and terrain modification.
Latest release from an hour ago (0.2.0):
Error while loading recipe prototype "alien-air-filtering" (recipe): Recipe alien-air-filtering has invalid main product alien-goo. Modifications: angelsbioprocessing
Got the same error
0.2.1 should fix it, are you on an older version of factorio?
No, I have Steam set to use the experimental version. The 0.2.1 update fixed the error, thanks for the fast response!