That’s when you’ll be able to try the four player co-op base builder game, which apparently also have exploration and survival elements. Creepy Jar, the Polish studio best known for the survival simulator, Green Hell, today reveals a deep look inside the gameplay and mystery of StarRupture, an up-to-4-player co-op base-builder with exploration and survival elements. Explore a Deadly Planet – Explore this vast open world, rich in resources, places, and secrets to be found.