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