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