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