Bullfrog’s Dungeon Keeper is totally free to download at Origin’s “On The House” scheme. Once you download anything from On the House, it’s yours to keep.
Play as a Dungeon Keeper, where you are require to manage horrendous dungeon and to protect the Dungeon’s Heart from invading hostile ‘hero’ characters, who are also keen on pillaging your treasures and killing your monsters. Your ultimate goal is to conquer
You’ll need to have an Origin account to claim the free game and be sure to get it soon. Every month EA is known to give out another free game from its archives and Dungeon Keeper will be replaced with another game title by then.