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.
Kill Dog.
Kill 300 units with Suppression Device in Annihilation or Destroy HQ game mode.
Defeat 20 enemies in Annihilation games.
Kill 5 different units with one combine ball.
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.
Build 20 Striders.
Make your 50 very own zombies!
As Rebels, kill 10 units with one grenade.
Collect 50 Partisans together in Annihilation or Destroy HQ mode.
Win a Combine vs Rebels game in a 4v4 match of Annihilation or Destroy HQ.
Win an Annihilation game.
Complete the mission for Waste.
Complete the mission for Valley.
Complete the mission for Radio Tower.
Complete the mission for Abandoned.
Complete the Tutorial level.