Freely redistributable games

The following formerly paid games have been made available as freeware, and are freely redistributable software:
Abuse (1996), a side scrolling shooter.
Akalabeth (1979), a.k.a "Ultima 0", an RPG by Lord British.
Alien Carnage (1994), a.k.a Halloween Harry, a side-scrolling platform game published by Apogee Software.
Allegiance (2000), a multiplayer space shooter/ RPG by Microsoft Research.
Battlecruiser 3000AD (1996), a space simulation game by Derek Smart.
Battlecruiser Millennium (2003), a space simulation game by Derek Smart.
BC Kid (1992), a horizontal platform game by Factor 5.
BC Racers (1993), a racing game by Core Design.
Beneath a Steel Sky (1994), an adventure game by Revolution Software, released to support the ScummVM Project.
Beyond the Titanic (1986), a text adventure game by Apogee Software, re-released as freeware in March, 1998.
Bio Menace (1993), a side-scrolling platform game by Apogee Software, released as freeware in December, 2005.
Boppin' (1994), a puzzle game published by Apogee Software, released as freeware in 2005.
Castle of the Winds (1989), a tile based RPG for Windows 3.x, written by SaadaSoft.
Castle Infinity (1996), a MMOG by Starwave.
Caves of Thor (1989), a maze game by Apogee Software.
Defender of the Crown (1986), a strategy game by Cinemaware.
Dink Smallwood (1997), an RPG by RTsoft, released as freeware on 17 October 1999.
Elite (1987), space trading game by Acornsoft, freeware release in 1999 courtesy of game developer Ian Bell.
Elite + (1991), space trading game by Acornsoft, freeware release in 1999 courtesy of game developer Ian Bell.
Enemy Nations (1997), a real-time strategy game by Windward Studios.
F.E.A.R. Combat (2006), the multiplayer portion of F.E.A.R., by Monolith Productions.
Flight of the Amazon Queen (1995), an adventure game by Interactive Binary Illusions, released to support the ScummVM Project.
Freespace 2 (1999), a space combat sim published by Interplay.
God of Thunder, a puzzle game by Adept Software.
Gridlee (1983), an arcade game by Videa.
Hardwired (a pre-release version of Red Zone) (1994), a shooter by Zyrinx for the Sega Mega Drive/Genesis.
Hidden and Dangerous Deluxe (1999), a game by Illusion Softworks, released for free as promotion for the sequel Hidden & Dangerous 2.
Jetpack, a platform game by Adept Software.
Ken's Labyrinth (1993), a first-person shooter by Ken Silverman.
Katakis (1987), a side scrolling shoot-em-up arcade game by Factor 5.
King of Chicago (1987), an action adventure strategy game by Cinemaware.
Lure of the Temptress (1992), an adventure game by Revolution Software.
Major Stryker (1993), a scrolling-shooter game by Apogee Software, released as freeware in March 2006.
Marathon Trilogy, a series of first-person shooter games by Bungie.
Netstorm (1997), a real time strategy game by Titanic Entertainment/Activision, released as freeware in 2002.
One Must Fall: 2097 (1994), classic fighting game by Diversions Entertaintment, declared freeware on February 10, 1999.