Armagetron Advanced

Bomberclone

  • Players:1-16
  • Get it from: http://www.bomberclone.de/
  • Clone of Atomic Bomberman.
 

Counter-Strike 2D

  • Players:1-32
  • Get it from: http://cs2d.com/
  • Counter-Strike 2D is a fan-made, top-down-perspective recreation of the famous LAN Party staple, Counter-Strike.

Hedgewars

  • Players: 1-8
  • Get it from: http://www.hedgewars.org/
  • TBS artillery game. Like worms

Nexuiz

  • Players: 1-8
  • Get it from: http://www.alientrap.org/games/nexuiz
  • First person shooter, Fast n futuristic.

OpenTTD

AssaultCube

 

Teeworlds

  • Players: 1-20
  • Get it from: https://www.teeworlds.com/
  • A retro multiplayer Platformer-shooter - Like worms if it was not turn based... and fast
 

0AD

Trackmania Nations Forever