Would you like to know more? Changes ArachnidsFaction to put arachnids on the same force as vanilla biters, now with green blood, and spawning on desert areas.
Mods introducing new content into the game.
Changes to enemies or entirely new enemies to deal with.
When I opened the factoripedia page for an arachnid, the sim window had a normal biter running in it, instead of an arachnid.
