Here is the full list of all 30 Defence Alliance 2 achievements.
Kill 100000 Specimens and unlock Supreme Commander rank, and 40 customization points.
Kill a Stalker Champion.
Kill a Siren Champion.
Kill 1000 Specimens with Grenades and unlock nuclear grenades.
Kill the Patriarch.
Kill 2000 Specimens with the Rocket Launcher and get nuclear rockets.
Kill a Husk Champion.
Kill 50000 Specimens and unlock Alliance Captain rank, and 30 customization points.
Kill 2000 Specimens with the Sniper Rifle and get 35% faster rate of fire.
Survive a game at suicidal difficulty.
Kill a Scrake Champion.
Destroy a turret with the Rocket Launcher.
Kill 25000 Specimens and unlock Advanced Gunner rank, and 20 customization points.
Stun a turret using EMP.
As a medic heal you teammates in one round with 500 health.
Kill 15 specimens with one Plasma Bomb.
Kill a Bloat Champion.
Kill 200 Husks and unlock the ability to use incendiary rounds.
Kill a Crawler Champion.
Build atleast 3 turrets in one round.
Kill 500 Specimens with the Sniper Rifle and get 17.5% faster rate of fire.
Inflict 40000 damage without dying.
Complete an objective.
Use the ammobox 100 times and get additional ammo.
Kill a fleshpound with the melee attack.
Kill a Fleshpound Champion.
Kill a Gorefast Champion.
Kill 50 specimens with the melee attack.
Kill a Clot Champion.
Inflict 10000 damage without dying.