To unlock a secret Darkling go to any pay phone in the subway and dial 555-4263 555-GAME. You will hear a message to confirm correct code entry.
Secret phone numbers:
Collectible phone numbers:
Answering machine phone numbers:
Hoodlum 5 points: Be on the winning side in a multi-player match in any of the multi-player modes.
Patriot 5 points: Capture a flag in a CTF match.
Murderer 5 points: Claim 20 Killing Streaks in multi-player.
Hard to Kill 5 points: Take enough damage without dying within a multi-player match.
Flag Runner 5 points: Capture 20 flags in a CTF match.
Flag Owner 10 points: Capture 50 flags in a CTF match.
Butcher 25 points: Claim 20 Killing Streaks in multi-player.
Mook 5 points: Be on the winning side in 5 multi-player matches.
Henchman 15 points: Be on the winning side in 20 multi-player matches.
Contract Killer 25 points: Be on the winning side in 50 multi-player matches.
Made Man 35 points: Be on the winning side in 100 multi-player matches.
The Don 45 points: Be on the winning side in 250 multi-player matches.
Anti Hero 25 points: Complete game on normal setting.
Legendary Dark 35 points: Complete game on hard setting.
Cannibal 25 points: Devour 300 enemies.
Fashionable 25 points: Collect all the Darkling outfits.
Bringing People Together 5 points: Trap 5 enemies within a Black Hole.
Rogue Killer 15 points: Kill 15 enemies using Creeping Dark.
Void Bringer 15 points: Kill 20 enemies using Black Hole.
Gunner 15 points: Kill 30 enemies using Darkness Guns.
Ripper 15 points: Kill 30 enemies using Demon Arm.
Summoner 5 points: Summon 5 Darklings.
Legendary Summoner 25 points: Summon 50 Darklings.
Darkness Master 100 points: Only for those who are completely in tune with the Darkness.
Roadkill 10 points: Kill the workers in the tunnel.
Ghandi 10 points: Find a peaceful solution. At least momentarily.
Romantic 10 points: Get a kiss from Jenny during the movie.
Heart of Gold 50 points: Help those in need.
Gunslinger 25 points: Kill 7 enemies within 15 seconds.
Anti Air 15 points: Bring down the Chopper.
Take a Look at the Sky 50 points: Take down 6 airplanes.
Knuckle, Meet Face 5 points: Perform a melee kill for the first time.
Up Close and Personal 5 points: Perform an execution move for the first time.
Executioner 10 points: Kill 25 enemies using execution moves.
Picking Up Stuff 5 points: Unlock a collectable for the first time.
Gatherer 5 points: Unlock 25 collectables.
The Collector 10 points: Unlock 50 collectables.
The Obsessive Collector 15 points: Unlock 75 collectable.
Completionist 20 points: Unlock 100 collectables.
Bullet Dodger 20 points: Finish a multi-player match with less than 5 deaths minimum of 4 players.
Legendary Executioner 20 points: Kill 50 enemies using execution moves.
Additionally there are nine secret achievements, all of which are currently unknown.
Easy "Romantic" achievement:
July 2, 2007 - 7:24am