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