The M.E.R.C.S. Add-on for Red Solstice 2: Survivors has 15 achievements.
Complete Rising Sun
Complete Oasis
Complete New Hope
Complete Operation Spearhead
Complete Mad King
Complete Blood Moon
Complete Changing Winds
Complete Hunting Grounds
Complete Brighter Horizon
Complete The Way Home
Unlock The Car
Unlock The APC
Unlock The Tank
Capture 20 Ultra Bosses
Kill 2000 Enemies With Vehicle Weapons or skills