3571 The Game is a 3D procedural apocalypse simulator and a roguelike RPG survival: Craft weapons, build a base, recruit an army and beat the time of the best survivors of the year 3571. Droids, zombies, aliens, mutants... Welcome to the future!
You need to be ready before you try to attack them. You should concentrate on rabbits and slugs first, and increase your combat XP a lot.
XP-Z is the cutest thing ever