Whether its Rimworld, Civilization 7, or Simcity, most city-building games are about exploiting the natural world for your benefit. Terra Nil is the antidote to all that - a game where your goal is to restore barren, empty wastelands into flourishing ecosystems. Purify toxins from the soil, clear trash from the oceans, and gradually encourage flora to regrow and fauna to repopulate, then leave without a trace. Already boasting an 87%-positive Steam review score, its just been given a healthy boost thanks to a free update from developer Free Lives. Continue reading Environmental city builder Terra Nil gets major free update with 13 new animalsMORE FROM PCGAMESN: Best city-building games, Best sandbox games, Best simulation games