Here is the full list of all 18 Dusty Revenge: Co-Op Edition achievements.
No Death throughout the level
100 hit combo
300 Rats Killed
50 Bulls Killed
1 Mole Killed
20 Moles Killed
Hits 5 enemies with 1 Artillery Round
1st Artillery Kill
1st Sniper Kill
100 Sniper Kills
All Combos Unlocked
1st Use of Counter Move
Die one time
5 Suicide Jumps
Use melee only for 1 level
1000 Double Jumps
Climb 100 walls
Completed Boss Rush mode