This mod adds a nest of explosive aliens and worms! These aliens will explode on death (area damage) and spread fire.
Fire spitters are also deadly burning everything! Say goodbye to your walls! Good luck!
Ohhh, and I must warn you, that someone said there is an Alien Mother somewhere...
Thanks to Cobaia for this gif
-alien-biomes (https://mods.factorio.com/mod/alien-biomes): if this mod is installed, explosive aliens will appear in hot surfaces and not in cold ones.
-Cold_biters (https://mods.factorio.com/mod/Cold_biters): the cold counter part of enemies to populate alien biomes.