Sphere

Objective: You've landed your spaceship on the surface of an abandoned dyson sphere. Your objective is use tunnels to go downwards through the sphere to reach a valuable artefact, a crystal (it's about 6 levels down). Pick it up, then use the tunnels back up to the surface and escape in your ship to win. It'll be challenging to stay alive, each level has new threats. You have bought a rifle with l…