Here is the full list of all 25 Offendron Warrior achievements.
Get into the warpgate.
Finish the attack wave by capturing the falling Civilian.
Capture 6 Civilians at once.
Warp 4 times in one game.
Find the secret bonus.
Have 1 live with more than 100,000 scores.
Get 3 lives again after having 1 live with more than 100,000 scores.
Stack 200 Smartmissiles.
Pass 25th wave.
Get 500,000 scores.
Get 1,000,000 scores.
Pass 255th wave.
Survive from 12 ATAMOs in more than wave 5.
Save 15 Civilians in the wave.
Kill all other enemies without touching 3 Carriers.
Launch 25 missiles at once.
Destroy 500 bullets in Counter shooting fest.
Get 200,000 score without dying.
Telefrag an enemy with Hyperspace.
Use Hyperspace 5 times and stay alive.
Survive from 4 Infected Offendron waves.
Destroy 4 planets in one game.
Save the last Civilian and carry him/her until the wave ends in more than wave 5.
Save the last Civilian and kill him/her yourself in more than wave 5.
Find a lander and kill it in Attack wave 32