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