The company enjoyed their original moderate success by developing add-ons for build engine first-person shooters such as Duke Nukem 3D, Blood, and Redneck Rampage. At this point, the company had approximately 6 full-time employees. Sunstorm finally made an industry name for itself when it developed the first hunting simulation game Deer Hunter in 1997. Deer Hunter opened up an entirely new genre and spawned many sequels as well as copycats.