Claim: Lobotomy Software was founded in 1993 but went under before it could release any video games.
Evidence: PowerSlave (September 26, 1996) Sega Saturn, MS-DOS, PlayStation. Includes hidden mini-game Death Tank. Quake (October 31, 1997) port to Saturn Duke Nukem 3D (October 31, 1997) port to Saturn. Includes hidden mini-game Death Tank Zwei.