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