Scavenge, Collect, Reclaim, Attack, Prevail.
S.C.R.A.P. is a mod using the StarCraft 2 Galaxy Editor, and is available through the StarCraft 2 Arcade. The StarCraft 2 Arcade is accessible for free using the StarCraft 2 Starter Edition.
Control armies of robots struggling to survive in abandoned worlds, cannibalizing other remaining technology to remain functional, and trying to unlock the secrets of alien technology that will either allow them to escape their dying world, or become its greatest predator.