Full list of all 17 A-Gents achievements.
The base game contains 10 achievements, and there are 3 DLC packs containing 7 achievements.
Finish all episodes on HARD difficulty
Finish all episodes on at least NORMAL difficulty
Kill co-op partner
Finish the second episode
Kill the enemy with the knife
Finish one episode on at least NORMAL difficulty
Finish one episode on HARD difficulty
Finish the first episode
Kill 4 or more enemies with one grenade
Finish the first level
Score a goal on the stadium in level 13
Kill the evil pumpkin (while the Halloween lasts)!
Finish the sixth episode
Finish the fifth episode
Release Santa from the hidden cage
Finish the third episode
Finish the fourth episode