Here is the full list of all 21 Lambda Wars Beta achievements.
Win 100 Destroy HQ matches.
Defeat 100 enemies in Annihilation games.
Win 20 Destroy HQ matches.
Defeat 20 enemies in Annihilation games.
Kill 300 units with Suppression Device in Annihilation or Destroy HQ game mode.
Blow up 100 enemy buildings with Saboteurs in Destroy HQ or Annihilation mode.
Build 20 Dogs.
Reprogram a Floor Turret with a Saboteur and kill an enemy unit with it.
Collect 50 Partisans together in Annihilation or Destroy HQ mode.
Complete the mission for Waste.
Make your 50 very own zombies!
Kill Dog.
Complete the mission for Valley.
Kill 5 different units with one combine ball.
Build 20 Striders.
As Rebels, kill 10 units with one grenade.
Complete the mission for Radio Tower.
Win an Annihilation game.
Win a Combine vs Rebels game in a 4v4 match of Annihilation or Destroy HQ.
Complete the mission for Abandoned.
Complete the Tutorial level.