Anya & The General Characters Beat 1st Story Mission on Hard
Aztec Warrior Beat Super Smashing Great Challenge, "Avec Le Brique"
Badass Cyborg Beat Cut-Out Shoot-Out Challenge "Balls of Steel"
Berseker Splitter Finish "The Hooded Man" under Easy difficulty or higher
Booty Guard Beat Arcade Level "Zany Zeppeling"
Braces Complete the Arcade League match "Old Blaggers" with atleast a Bronze Medal.
Brains Beat Behead the Undead Challenge, "Brain Drain"
Brick Weapon Beat Super Smashing Great Challenge, "Queen of Hearts"
Bricks Complete 'Dont Loose Your Bottle' challenge
Candi Skyler Complete League Challenge "Screw Loose" with a Bronze or higher
Captain Ed Shivers Beat Arcade Level "Pirate Gold"
Cardboard Characters Beat Cut-Out Shoot-Out Challenge, "Hart Attack"
Carrion Carcass Beat Behead the Undead Challenge, "Rare or Well Done?"
Changeling Complete Honorary League with Golds
Corporal Hart Complete all story levels on normal or hard difficulty
Daisy Dismal Beat all story missions in co-op
Deadwina Beat Arcade Level "I like the Dead People"
Dozer Beat Arcade Level "Lip Up Fatty"
Dr. Peabody Get all golds or higher in Amateur League
Fergal Stack Beat Arcade Level "Virtual Brutality"
Gaston Boucher Complete story level "Mansion of Madness" on normal or higher
Ghengis Kant Complete Story Level "Machine Wars" on Easy or higher
Gideon Gout Complete Amateur League with atleast Silvers
Gilbert Gastric Complete challenge "The Cat’s Pajamas" with a Bronze or higher
Goddard Beat Cut-Out Shoot-Out Challenge, "Come Hell or High Water"
GOLIATH SD/9 Complete story level "Something to Crow About" on Easy or higher
Hans Beat Arcade Level "Freak Unique"
Henchman Cortez Beat level 3 on normal
Henchman Harry Tipper Beat level 3 on easy
Human Gun Sounds cheat Earn Bronze, Silver or Gold in Cat's Out Of The Bag challenge
Insetick SK/10 Complete Elite League with Golds
Jacque de la Morte Beat Arcade Level "Vamping in Venice"
Jed Complete all Challenges with Golds
Jim Smith Beat all story missions in co-op
Jo-Barf Creepy Complete the Story level "What Lies Below" on atleast the Normal difficulty.
Karma Crow Beat last story mission on hard mode.
Koozer Mox Beat Arcade Level "A Pox Of Mox" with at least a bronze medal.
Leo Krupps Beat Arcade Level "Rumble in the Jungle"
Leonid Beat Arcade Level "Commanding Will Kill You"
Monkey Gun Complete 'Electro Chimp Discomatic' challenge
Mr. Socky Complete 'Sock It To Them' with a bronze or better
Mr.Fleshcage Get a bronze or better on all challenges.
Neophyte Constance Complete "The Freak Unique" with atleast a Bronze Medal.
Neophyte Constance Beat Arcade Level "Freak Unique"
Nobby Peters Beat Arcade Level "Toy Soldiers"
Nurse Sputum Beat Arcade Level "Missile Bunker"
Oleg Beat the TSUG: Timesplitters Underground challenge with a bronze or higher.
Paintball Cheat Beat Super Smashing Great Challenge, "Absolutely Potty"
Prison Officer Complete "Screw Loose" with atleast a Bronze Medal.
Prometheus SK/8 Beat Arcade Level "Virtual Brutality"
Pulov Yuran Beat the challenge Plainly Off His Rocker with a bronze or higher.
Rotating Heads Beat Behead the Undead Challenge, "Brain Drain"
Sewer Zombie Complete all Challenges with atleast Silvers
Sister Faith Complete Elite League with atleast Silvers
Slow Motion Deaths Complete the Arcade level 'Rockets 101'
Small Heads Cheat Complete "A Pox Of Mox" with atleast a Bronze Medal.
Snowman Beat Arcade Level "Damn Cold Out Here"
Swinging Tipper Complete story level "The Russian Connection" on easy or higher
The General Complete Story Level "Time to Split" on easy or higher
The Master Beat Arcade Level "Divine Immolation"
Time Assasin Beat level 12 on normal
Timesplitter Beat level 12 on easy
Tin-Legs Tommy Beat Behead the Undead Challenge, "Boxing Clever"
Venus Beat Arcade Level "Bag Slag"
Victorian Crow Complete all story levels on Normal or Hard difficulty
Viola Beat Cut-Out Shoot-Out Challenge, "Hart Attack"
Vlad the Installer Beat Arcade Level "Big Game Hunt"
Warrant Officer Keely Complete Honorary League with atleast Silvers
Zombie Monkey Earn Bronze, Silver, or Gold in Brain Drain Challenge