Full list of all 50 The Darkness achievements worth 1,000 gamerscore. It takes around 25-30 hours to unlock all of the achievements on Xbox 360.
Be on the winning side in 250 multiplayer matches
Kill the workers in the tunnel
Be on the winning side in 100 multiplayer matches
Be on the winning side in 50 multiplayer matches
Kill 7 enemies within 15 seconds
Capture 50 flags in a CTF match
Capture 20 flags in a CTF match
Be on the winning side in 20 multiplayer matches
Take enough damage without dying within a multiplayer match
Claim 20 Killing Streaks in multiplayer
Be on the winning side in 5 multiplayer matches
Kill enough players to achieve a killing streak within a multiplayer match
Capture a flag in a CTF match
Collect all the Darkling outfits
Unlock 100 collectables
Help those in need
Unlock 75 collectables
Finish a multiplayer match with less than 5 deaths (minimum of 4 players)
Be on the winning side in a multiplayer match in any of the multiplayer modes
Complete game on hard setting
Trap 5 enemies within a Black Hole
Unlock 50 collectables
Complete game on normal setting
Take down 6 airplanes.
Someone's waiting by the phone
Only for those who are completely in tune with the Darkness
Unlock 25 collectables
Real guys stick around for their ladies
Kill 50 enemies using execution moves
Devour 300 enemies
Kill 30 enemies using Demon Arm
Kill 15 enemies using Creeping Dark
Complete the second part of the game
Summon 50 Darklings
Kill 20 enemies using Black Hole
Bring down the Chopper
Achieve maximum Darkness level
Acquire Black Hole
Kill 30 enemies using Darkness Guns
Acquire all Darkling types
Acquire Darkness Guns
Acquire Demon Arm
Complete the first part of the game
Kill 25 enemies using execution moves
Find a peaceful solution. At least momentarily
Summon 5 Darklings
Perform a melee kill for the first time
Unlock a collectable for the first time
Acquire Creeping Dark
Perform an execution move for the first time