Here is the full list of all 40 Midnight Fight Express achievements.
Collect 150 golden teeth.
Finish the game.
Throw 250 environmental items at enemies.
Electrocute 100 enemies.
Kill 50 enemies using ground finishers.
Spend 50000$ on clothes.
Complete the Alleyway mission.
Get 100x combo on foot.
Kill 2000 enemies.
Stick 50 sharp weapons into the heads of enemies.
Parry 150 attacks.
Kill 50 enemies using wall finishers.
Complete the Highway mission.
Blow up 50 enemy heads with secondary gun.
Complete the Wavechase mission.
Defeat 15 enemies with different types of kills on a single level.
Kill 500 enemies.
Kill 6 enemies while in Rage.
Complete the Factory mission.
Kill 4000 enemies.
Kill 500 dummies in the Playground.
Die 500 times.
Get an S-Rating on 20 levels.
Get an S-Rating on all levels.
Complete your first 25 challenges.
Complete all challenges.
Kill 250 enemies using melee finishers.
Kill 150 enemies using weapon finishers.
Kill 50 enemies using gun finishers.
Shoot 500 enemies.
Kill 75 enemies using explosives.
Slice 75 enemies.
Escape from grapples 50 times.
Mute the music.
Talk with all special characters.
Complete a level without getting hit.
Complete all levels on hard difficulty.
Complete all levels on realistic difficulty.
Let 100 enemies kill each other.
Damage 100 enemies using rope.