Gas Guzzlers Extreme achievements

Survive the seventh wave of zombies in Defend the base or Survivor game modes

Win a multiplayer deathmatch event by using only one type of weapon

Complete a single race in any racing game mode without being damaged

Survive the sixth wave of zombies in Defend the base or Survivor game modes

Kill the same opponent 6+ times in any game mode

Make a kill in the classic or power race mode

Win any race without picking up a health pack

Survive the fifth wave of zombies in Defend the base or Survivor game modes

Run over 100 animals in any game mode

In any multiplayer racing events win with 20+ seconds advantage over your opponents

Win 1 team tournament event

Complete third tournament in singleplayer with best kill score