Space Siege is an action role-playing game developed by Chris Taylor and Gas Powered Games, published by Sega. The title is a play on the Dungeon Siege series, which is also produced by Gas Powered Games.
Space Siege takes place on a massive space colonization ship under attack by an alien foe that has annihilated the planet Earth before the game begins. Players have the choice to replace body parts with cybernetically enhanced components throughout the game, to more effectively counter the alien threat at the sacrifice of some of their humanity. Whichever path they choose, players can upgrade their robotic sidekick, powered armor, and weapons.