Lambda Arena
- Combat simulator modification.
- http://planethalflife.gamespy.com/View.php?view=HLMotw.Detail&id=141&game=4

Oz Deathmatch
- Includes background information, features list, configurations, download, screenshots, and development information.
- http://planethalflife.gamespy.com/View.php?view=HLMotw.Detail&id=128&game=4

Adrenaline Gamer Mod
- A modification for professional Halflife deathmatch gamers.
- http://agmod.planethalflife.gamespy.com//

Wizard Wars
- Includes news, a manual, screenshots, and downloads.
- http://wizardwars.planethalflife.gamespy.com/default.asp

Deathmatch Plus
- A multiplayer deathmatch Half-Life modification.
- http://hosted.planethalflife.gamespy.com/dmplus/

Yoda HL
- Deathmatch-only mod in which all players look like Yoda. News, files, FAQ, screenshotss, forum, IRC chat, and links.
- http://hosted.planethalflife.gamespy.com/yoda/

Darkmatch
- An upcoming modification set in pitch black levels forcing players to use flares, flashlights and night vision.
- http://hosted.planethalflife.gamespy.com/darkmatch/

Earth's Special Forces
- Based on Dragonball Z. Includes downloads, screenshots, forums and league.
- http://www.esforces.com/

Halflifability
- Players are penalized in health for killing. Conversion of Quake modification Quakability.
- http://www.planetquake.com/cocot/half-lifability.htm

Time Shadows
- A role playing game in the Diablo environment.
- http://home.tiscali.dk/~timeshad/

Dragonball Z: Saiyan Strength
- Multiplayer modification based on the Dragonball Z anime series.
- http://dbzss.8k.com/

Action Half-Life
- Modification download, screenshots, trailer, FAQ, and forum.
- http://ahl.telefragged.com/