The The Last Stand Add-on for Sanctum 2 has 10 achievements.
Reach rank 50.
Complete Arc Islands.
Complete Arc Islands with 5 Feats of Strength enabled.
Finish a map playing Haigen with Best Friends Forever, Reinforcements and Roboticist.
Finish a map playing Haigen with Spiked Armor, Desperate Measures and Hydra Blood.
Finish a map playing TSYGAN with Marksman, Steady Aim and Long Range Superiority.
Finish a map playing SiMo with the G2 Companion, Roboticist and Electrical Outburst.
Finish a map playing Skye with Tactical Juxtaposition, Marksman, and Steady Aim.
Finish a map playing Sweet with Rymdskor, Plumber shoes, and Upper Class.
Reach rank 40.