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