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