God of War 2 [ PlayStation 2 ]
Extra Orbs - At the beginning of the game, you are fighting the Collosus that Athena brought to life. Once you have gotten to the part with the crossbow with a rock in it, just weaken the Collosus and then throw the rock. This will give you a few extra orbs.

Need for Speed Undercover [ Xbox 360 ]
Cars - Win the following number of Challenge Series Events to unlock the corresponding car.

Battle Machine RX-7: 30 Challenge Series
Dominator Corvette Z06: Over 30 Challenges Series Events.
Speed Machine 911GT2: 60 Challenge Series Events.

Saints Row 2 [ Xbox 360 ]
Unlimited respect - Complete enough activities to raise your respect over level 99.

Sonic Unleashed [ PlayStation 2 ]
Defeating aerial enemies - When fighting aerial enemies as Sonic the Werehog (Dark Sonic), jump and attack once to bring them down. Then, unleash your fury on them.

Star Wars: The Force Unleashed [ PlayStation 2 ]
Easy Force Points - Reach a checkpoint that is just before a large group of enemies. Intentionally die during the battle. Every time you respawn at the checkpoint, your Force Point total will remain intact. Repeat the battle to build your Force Points.

WWE SmackDown! vs. RAW 2009 [ PlayStation 2 ]
Editing your created superstar or diva's abilities - To edit your created superstar or diva's abilities, restart your career with the same superstar or diva you used. Note: You will lose all your gained abilities. You will also take longer to gain Resiliency if your attributes are higher, and if you are above 80 overall, you will not be able to get Durability. Always create doubles of a CAW or CAS immediately after making them. By doing this you can start over with the unused copy and gain Resiliency and Durability in a quicker amount of time if you end up gaining unwanted abilities.

WWE Survivor Series [ GBA ]
Specials - Get your special meter (meter underneath the Superstar's name) full, then do the following:

Booker T's Book-End: Grapple your opponent and press Select.

Booker T's Scissors Kick: Grapple your opponent and press Select.

Booker T's Scissors Kick: Kick on your opponent, then press Select.

Chavo Guererro's (Unknown name): Grapple your opponent and press Select.

Chavo Guererro's Frog Splash: Climb to the top rope and press Select.

Chris Benoit's Crippler Crossface: Put your opponent on his stomach, then go to the head and press Select.

Chris Benoit's Diving Headbutt: Climb to the top rope and press Select. Note: Make sure your opponent is in range.

Chris Benoit's Rolling German Suplexs: Grapple your opponent from behind and press Select.

Chris Jericho's The Walls of Jericho: Put your opponent on his back, then go to feet and press Select.

Chris Jericho's German Suplex: Grapple your opponent from behind and press Select.

Christian's Unprettier: Grapple your opponent from behind and press Select.

Eddie Guererro's Frog Splash: Climb to the top rope and press Select. Note: Make sure your opponent is in range.

Eddie Guererro's Three Amigos: Grapple your opponent and press Select.

Edge's Edgecution: Grapple your opponent and press Select.

John Cena's F-U: Grapple your opponent(does not have to be stunned) and press Select.

Kane's Chokeslam: Grapple your opponent and press Select.

Kurt Angle's Angle Slam: Grapple your opponent and press Select.

Kurt Angle's Ankle Lock: Put your opponent on his stomach, then go to the feet and press Select.

Kurt Angle's Rolling German Suplexes: Grapple your opponent from behind and press Select.

Randy Orton's RKO: Grapple your opponent and press Select.

Randy Orton's Running RKO: Run to your opponent and press Select.

Rey Mysterio's 619: Get your special bar filled, then press Select while in front of your opponent.

Rey Mysterio's Bulldog: Grapple your opponent and press Select.

Rey Mysterio's Running Bulldog: Run to your opponent and press Select.

Rob Van Dam's 5 Star Frog Splash: Climb to the top rope and press Select. Note: Make sure your opponent is in range.

Rob Van Dam's Van Daminator: Grapple your opponent and press Select.

Shawn Micheals' Sweet Chin Music: Press Select.

The Undertaker's Tombsstone: Grapple your opponent and press Select.

The Undertaker's Tombstone Piledriver: Grapple your opponent and press Select.

The Undertaker's Last Ride: Kick on your opponent, then press Select.

Triple H's Pedigree: Grapple your opponent and press Select.

Super Suplex: Pull your opponent (grapple him, then press R + Left or Right ) to a corner. Then, grapple him and press Up.

WWF: Road To Wrestlemania [ GBA ]
Wrong Music - At the beginning of season mode, Vince appears with Trish's music.

Fuel [ PlayStation 3 ]
Bonus vehicle - Enter 18041851 as a code.

Galactic Wrestling: Featuring Ultimate Muscle [ PlayStation 2 ]
Play as Sunshine Supreme - Collect 100 Kinkeshi toys to unlock Sunshine Supreme.