- Fictional crossovers in video games
- Firearms (video game)
- First-person shooter engine
- Frank Klepacki
- Free look
- Funtastic
- GT Interactive Software
- Gabe Newell
- Game programmer
- GameSpy
- Gamerail
- Genesis3D
- Gib (video gaming)
- GoldenEye 007
- Google Native Client
- Graphics
- GtkRadiant
- Guake
- Gumare
- Gunman Chronicles
- Half-Life (series)
- Half-Life (video game)
- Heavy Metal: F.A.K.K.²
- Hell in popular culture
- Hexen II
- History of games
- History of video games
- Id Software
- Id Tech
- Iikka Keränen
- Index of MS-DOS games (Q)
- Index of Windows games (Q)
- Inferno (2001 film)
- Intel 80486DX2
- Invisibility
- Ion Storm
- Jay Ward Productions
- Jodi (art collective)
- Joel Breton
- John Romero
- Kuake
- LHA (file format)
- Lagometer
- Legacy of Kain: Defiance
- Level design
- Lightmap
- Linux gaming
- List of BeOS programs
- List of Championship Gaming Series teams
- List of KDE applications
- List of Macintosh games
- List of Nintendo 64 games
- List of Sega Saturn games
- List of Steam titles
- List of TCP and UDP port numbers
- List of User Friendly characters
- List of Windows Mobile Professional games
- List of Zeebo games
- List of computer worms
- List of cooperative video games
- List of fictional companies
- List of fictional cyborgs
- List of file formats
- List of first-person shooter engines
- List of first-person shooters
- List of games developed by Valve
- List of games supporting force feedback
- List of level editors
- List of machinima works
- List of programmers
- List of proprietary software for Linux
- List of video game designers
- List of video game industry people
- List of video game musicians
- List of video games cancelled for PlayStation consoles
- Lobotomy Software
- Loki installers for linux gamers
- Lovecraftian horror
- MC Hawking
- MPlayer.com
- MacSoft
- Machinima.com
- Machinima
- Magic number (programming)
- Magic ring
- Magneto in other media
- Makron
- Malice (video game mod)
- Marvel CyberComics
- Masters of Doom
- Matthias Worch
- Memoware
- MenuetOS
- Mesquite, Texas
- Midway Games
- Mike Wilson (CEO)
- Minh Le
- Mixed Mode CD
- Mod (computer gaming)
- MotionVR
- Mouse (computing)
- NERF wars
- Narbacular Drop
- Needlegun
- Neverball
- Nexuiz
- Nexus
- Nine Inch Nails discography
- Noclip mode
- Nonviolent video game
- Novell NetWare
- NxMakaqu
- Operation Bayshield
- Origin Systems
- PLATO (computer system)
- PO'ed
- Painkiller (video game)
- Palle Torsson
- Panther XL
- Paul Steed
- Penny Arcade Expo
- Polygonal modeling
- PowerAnimator
- PowerSlave
- Prey (video game)
- Prodigy (online service)
- Propeller Arena
- Pseudo.com
- Purge (video game)
- Q1
- QG
- Quake 2 Modeler
- Quake 4
- Quake III Arena
- Quake II
- Quake done Quick
- Quake engine
- QuakeC
- QuakeCon
- QuakeWorld
- Quantum Axcess
- Ratloop
- Raygun
- Reaper bot
- Red Annihilation
- Rendition (company)
- Retribution Engine
- Retronym
- Richard Gray (game designer)
- Ritual Entertainment
- Rocket Arena
- Rocket jumping
- Rogue Entertainment
- SK Gaming
- SVGALib
- Sacred (video game)
- Sandy Petersen
- Scrag
- Sega Saturn
- SegaSoft
- Sequel
- Severity (video game)
- Shacknews
- Shaft
- Shoggoth
- Shooter game
- Shrak
- SiN Episodes
- SiN: Wages of Sin
- Sin (video game)
- Software rendering
- Soldier of Fortune II: Double Helix
- Source port
- Source upgrade
- SpaceOrb 360
- Speed Demos Archive
- Speedrun
- Spotlight Awards (GDC)
- Sprague Astronautics Company, Inc
- Star Trek: Elite Force II
- Strange Company
- Sujoy Roy
- SuperSet Software
- Tapwave Zodiac
- Team Fortress 2
- Team Fortress Classic
- Team Fortress
- Technology & Engineering Emmy Award
- Template:Ritual Entertainment
- Terra Nova: Strike Force Centauri
- Texture mapping
- The Blair Witch Project (video games)
- The Gaming Center
- The Lone Gunmen
- The Necropolis
- The Orange Box
- The Seal of Nehahra
- Threewave Software
- Tilda (software)
- Tilde
- Tim Willits
- Tobias Bernstrup
- Total Entertainment Network
- Trackball
- Trent Reznor discography
- Trent Reznor
- Trey Azagthoth
- TruForm
- Tsathoggua
- United Ranger Films
- Unreal (series)
- Unreal Tournament
- UnrealEd
- User Friendly
- Valve Corporation
- Valve Hammer Editor
- Video game culture
- Video game music
- Video games notable for speedrunning
- W00t
- Wolfenstein: Enemy Territory
- World Cyber Games 2005
- Wouter van Oortmerssen
- X-Men: The Ravages of Apocalypse
- Xfire
- Yakuake
- Zeebo
- ZeniMax Media
- ZodTTD