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