UNRELEASED GAME – UNAVAILABLE This game has officially been announced by the publisher or developer, but has not yet been released and made available for purchase. Therefore some of the information above may change in the future. Until this game is released, please do not submit images for it, nor add new releases. Press Kits are an exception and a maximum of six can be added. User Summary System Shock 3 is the sequel to System Shock 2.