I know we have Renault and Runtime, but they only go for micros. Maybe introduce the aliens on the asteroid and replace direct attacks with noms?
Or maybe nom capable plants for Botany? "Accidentally" grow some giant fly traps they can leave around. (I'm no sprite artist, but I made something crude in like 5 minutes.)
Occurs to me to put link to crappy thing in OP.
https://www.dropbox.com/s/eigoabti8za29 ... g.dmi?dl=0