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