Here is the full list of all 35 Masked Forces 2: Mystic Demons achievements.
Kill the Skeleton Warlord in Very Hard mode (Rocky Heights)
Kill Xarudu in Very Hard mode (Underworld)
Kill Bone Dragon in Very Hard mode (Iceland)
Kill the Skeleton Warlord in Hard mode (Rocky Heights)
Kill Gargoyle in Very Hard mode (Dunes)
Kill Bone Dragon in Hard mode (Iceland)
Kill Xarudu in Hard mode (Underworld)
Kill Gargoyle in Hard mode (Dunes)
Finish Find Artifacts mission (Dead Forest)
Kill the Skeleton Warlord (Rocky Heights)
Player Level 30
Kill the Bone Dragon (Iceland)
Kill 400 enemies
Kill 300 enemies
Player Level 20
Survive the Invasion, Normal difficulty (Dunes)
Kill Xarudu (Underworld)
Kill 200 enemies
Finish any mission in Very Hard difficulty
Finish a Night Kill mission
Buy all masks
Reach 50.000$ balance
Player Level 10
Finish any mission in Hard difficulty
Kill 100 enemies
Change your skin on a weapon
Die :(
Kill the Gargoyle (Dunes)
Reach 10.000$ balance
Collect a gift in main menu
Buy or upgrade a weapon
Finish a Survival mission
Kill 50 enemies
Win any game
Kill one enemy