Oo-Topos

While transporting a load of precious cargo for your homeworld of Earth, hostile aliens cause your ship to crash land on the planet of Oo-Topos and take you captive. Your goal is to bust out of prison, reclaim the ship's cargo, and perform the impromptu ships repairs necessary to get off the alien planet.

Oo-Topos is interactive fiction with optional graphics to illustrate the proceedings.