Full list of all 38 SOS OPS! achievements.
The base game contains 24 achievements, and there is 1 DLC pack containing 14 achievements.
Harpoon a teammate.
Find the hidden casino.
Finish a match on "Volcano" arena with 10 or more kills.
Finish a match on "Factory" arena with 10 or more kills.
Finish a match on "Airplane" arena with 10 or more kills.
Finish a match on "Pyramid" arena with 10 or more kills.
Finish a match on "Tower" arena with 10 or more kills.