At the options menu, select the "Cheat Codes" option, then enter one of the following codes to activate the corresponding cheat function:

Saturday Night's Main Event venue - Enter "SatNightMainEventSvR" as a case-sensitive code to unlock the Saturday Night's Main Event venue.
Wrestle as Boogeyman - Enter "BoogeymanEatsWorms!!" as a case-sensitive code to unlock Boogeyman.
Wrestle as Chris Jericho (Attitude Era) - Enter "AltJerichoModelSvR09" as a case-sensitive code to unlock Chris Jericho (Attitude Era).
Wrestle as Curt Hawkins and Zack Ryder - Enter "Ryder&HawkinsTagTeam" as a case-sensitive code to unlock Curt Hawkins and Zack Ryder.
Wrestle as Gene Snitsky - Enter "UnlockSnitskySvR2009" as a case-sensitive code to unlock Gene Snitsky.
Wrestle as Jillian Hall - Enter "PlayAsJillianHallSvR" as a case-sensitive code to unlock Jillian Hall.
Wrestle as Layla (ECW) - Enter "UnlockECWDivaLayla09" as a case-sensitive code to unlock Layla (ECW).
Wrestle as Ric Flair - Enter "FlairWoooooooooooooo" as a case-sensitive code to unlock Ric Flair.
Wrestle as Tazz (ECW) - Enter "UnlockECWTazzSvR2009" as a case-sensitive code to unlock Tazz (ECW).
Wrestle as Vince McMahon - Enter "VinceMcMahonNoChance" as a case-sensitive code to unlock Vince McMahon.
Hornswoggle as manager - Enter "HornswoggleAsManager" as a case-sensitive code to unlock Hornswoggle as a manager.
CM Punk's alternate costume - Enter "CMPunkAltCostumeSvR!" as a case-sensitive code to unlock CM Punk's alternate costume.
Rey Mysterio's alternate costume - Enter "BooyakaBooyaka619SvR" as a case-sensitive code to unlock Rey Mysterio's alternate costume.

Unlockables - Successfully complete the indicated task in Road To WrestleMania mode to unlock the corresponding bonus:

Backstage: Play as CM Punk, and pin Morrison in the Punk/Big Daddy V/Morrison Triple Threat match.
Boogeyman: Successfully complete RTWM mode with The Undertaker.
Brothers Of Destruction Entrance: Play as The Undertaker, and make Finlay bleed in Week 8.
CAS Moveset 1: Play as Batista/Rey, and have Batista win the Rumble, Rey lose to Edge at No Way Out, and Rey lose the Tag titles against Morrison and Miz.
CAS Moveset 2: Play as Batista/Rey, and have Rey win the Rumble, Batista lose to Edge at No Way Out, and Batista lose the Tag titles against Morrison and Miz.
CAS Moveset 3: Play as Triple H, and pin Edge in the Triple Threat match.
Chris Jericho Classic Attire: Play as Chris Jericho, and after the Royal Rumble, question Jeff Hardy about being The Masked Man, then defeat him.
Chris Jericho's Titantron for CAS: Play as Chris Jericho, and make Mr. Kennedy bleed in Week 12.
CM Punk Attire B: Play as CM Punk, and put your opponent through a table in Week 2.
Curt Hawkins and Zack Ryder: Play as Batista, and spear Edge twice in Week 7.
DX Entrance, Animation, Music, and Video: Play as Triple H, and Pedigree Randy Orton three times in Week 12 (if you teamed with Shawn Michaels at No Way Out).
DX Outfits for Triple H and HBK: Successfully complete RTWM mode with Triple H after teaming with Shawn Michaels at No Way Out.
Evolution Music and Video: Play as Triple H, and win in less than two minutes against Batista in Week 12 (if you teamed with Randy Orton at No Way Out).
Finlay's Zombie Attire: Play as The Undertaker, and help Rey Mysterio defeat Finlay by Pinfall in Week 8.
Gauntlet Match in Exhibition mode: Play as John Cena, and defeat Mr. Kennedy in less than two minutes in Week 12.
Generic Code Titan Animation for Create-A-Superstar Entrance: Play as Chris Jericho, and make Kennedy bleed on Week 12.
Generic IE Animation Set 2: Play as Triple H, and pin Edge in Week 1.
Hardcore Championship Belt: Win the Hardcore Championship.
Hornswoggle as Manager: Play as The Undertaker, and defeat Finlay in a shorter time than Santino in Week 2.
Jillian Hall: Play as Triple H, and win the Tag match in Week 7.
John Cena and Tony's Military Vehicle Entrance: Successfully complete RTWM mode with John Cena.
Layla: Play as CM Punk, and defeat Big Daddy V at the No Way Out Pay-Per-View in less than two minutes in Week 8.
Locker Room: Play as CM Punk, and pin John Morrison in a Triple Threat match in Week 10.
Old School Chris Jericho: Play as Chris Jericho, and defeat Jeff Hardy without using a finisher when investigating The Masked Man.
Revolution Entrance, Video, and Music: Successfully complete RTWM mode with Triple H after taking the Evolution path.
Rey Mysterio Alternate Costume: Play as Batista/Rey, and pin John Morrison in a Tag Team match.
Ric Flair: Play as Triple H, and defeat Randy Orton at WrestleMania during the Evolution storyline, then complete RTWM mode.
Santino Marella's Zombie Attire: Play as The Undertaker, and help Rey Mysterio defeat Santino by Pinfall in Week 8.
Saturday Night's Main Event: Play as Batista/Rey, and hit every opponent with a finisher in Week 7.
Snitsky: Play as John Cena, and make MVP bleed in Week 11.
Tazz: Successfully complete RTWM mode with CM Punk.
The Masked Man: Successfully complete RTWM mode with Chris Jericho.
Tony: Play as John Cena, and give Regal and Umaga the FU in the Tag Team match.
Tribute To The Troops Arena: Play as John Cena, and defeat MVP by submission at the Tribute To The Troops arena in Week 2.
Vince McMahon: Successfully complete RTWM mode with Batista/Rey.
WCW title and WCW brand: Play as Chris Jericho, and pin Finlay during the match in Week 3.
WrestleMania Jeep in Create-A-Superstar Entrance: Successfully complete RTWM mode with John Cena.

Created superstar abilities - Successfully complete the indicated task to unlock the corresponding ability for a created superstar in Career mode:

Bloodshed: Make your opponents bleed ten times and bleed yourself ten times (rewarded on win with blood).
Cage Match: Win a Cage match in under a minute by escaping.
Dirty Pin: Get a "5 Star" rank against three different opponents who have this ability.
Durability: Defeat a superstar rated 20 points higher overall while both having orange damage.
Evasive Dodge: Win a Special match against two opponents.
Fan Favorite: Successfully taunt ten times in a match (must not have steal taunt).
Hammer Throw: Earn an ability within your first ten career matches, then get the "Sit In The Corner" award.
K.O.: Earn a "5 Star" rank against every competitor in a title path, not including the title match.
Kip-up: Win six championships.
Ladder Match: Get a "5 Star" ranked Ladder match against one of the Hardys.
Lock Pick: Face Y2J in a Singles match, and escape the Walls Of Jericho.
Move Theft: Defeat twenty different superstars.
Object Specialist (grab with object): Execute fifty object attacks in your career.
Outside Dives: Successfully complete twenty five dives in your career.
Referee Shield: Get five DQ losses, then win a championship match against a clean superstar.
Resiliency: Kick out of a pin at "2" while having two parts of red body damage.
Springboard: Win the Cruiserweight Championship.
Steal Taunt: Foil your opponent's attempt to steal your taunt (cannot have Fan Fave ability).
Submission: Attempt seven Struggle Submissions in one match, and then win.
Table Match: Break forty tables in your career (announcer tables count).

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.

Preset entrances - The preset entrances are as follows:

Superstars

1. Kurt Angle
2. Booker T
3. King Booker
4. Chris Masters
5. RVD
6. Sabu
7. Sandman (ramp entrance)
8. Test
9. Kenny Dykstra
10. Bobby Lashley
11. Gregory Helms
12. Kevin Thorn (post-vampire)
13. Balls Mahoney

Diva

1. Lita
2. Trish Stratus
3. Maria (old)
4. Torrie

Legend

1. Sgt Slaughter
2. Eddie Guerrero
3. Hulk Hogan
4. Bret Hart
5. Terry Funk
6. Roddy Piper
7. Rick Rude
8. Jim Neidhart
9. Mick Foley
10. Steve Austin
11. Dusty Rhodes
12. The Rock

Unlockable

1. John Cena 2
2. Chris Jericho (old)
3. Randy Orton (old)
4. Shawn Michaels (DX)
5. Triple H (DX)

Champion Entrances

1. John Morrison
2. John Cena
3. Big Daddy V
4. Big Show
5. The Great Khali
6. Kane
7. Mark Henry
8. Randy Orton
9. The Rock
10. Torrie Wilson
11. Trish Stratus

Preset movesets - The preset movesets are as follows:

M-Set01: Gregory Helms
M-Set02: Charlie Haas
M-Set03: Val Venis
M-Set04: Jamie Noble
M-Set05: Shane McMahon
M-Set06: Rob Van Dam
M-Set07: Sabu
M-Set08: Sandman
M-Set09: Bobby Lashley
M-Set10: Test
M-Set11: Balls Mahoney
M-Set12: Kevin Thorn
M-Set13: Tajiri
M-Set14: Brock Lesnar
M-Set15: Goldberg
M-Set16: Kurt Angle
M-Set17: Christian Cage
M-Set18: Booker-T
M-Set19: Rhino
M-Set20: Brother Ray
M-Set21: Brother Devon
M-Set22: Samoa Joe
M-Set23: AJ Styles
M-Set24: Christopher Daniels
M-Set25: The Rock
M-Set26: Steve Austin
M-Set27: Mick Foley
M-Set28: Eddie Guerrero
M-Set29: Roddy Piper
M-Set30: Bret Hart

Preset finisher call names - The preset finisher call names are as follows:

1. Ghetto Blaster
2. Package Piledriver
3. Original Sin
4. Rising Sun
5. Uber Driver
6. Torture Rack
7. Black Tiger Bomb
8. Demon Horns
9. Chaos Theory
10. Aztec Suplex
11. Cliffhanger
12. Flatliner
13. Go Home Driver
14. Hydroplane
15. Impact Driver
16. Perfect Driver
17. Driller
18. Falcon Arrow
19. Money Maker
20. Psycho Driver
21. Royal Mutilation
22. Shockdrop
23. The Finisher
24. Tiger Driver
25. WMD
26. The Destroyer
27. Aneuyrsm
28. Burning Hammer
29. Beldigo

Easy "5 Stars" achievement - Set the difficulty to Easy, turn off DQ, then beat up the CPU player so he bleeds to get the "5 Stars" achievement. Additionally, completely make the body red, and put him through the announcers table.

Easy "Lights, Camera, Action!" achievement - Start a match, perform a move on the CPU, then press Start, and go down to "Highlight Reel". Save the clip of yourself doing the move. Exit to the main menu, and go to "My WWE". You will find the highlight reel there. Once on the highlight reel screen, upload your clip from the match. Go to "Finish" to get the "Lights, Camera, Action!" achievement.

Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

Congrats are in order (10 points): Win an Exhibition match.
Smokin' (20 points): Defeat Kane in an Inferno Match.
Create A Finisher (10 points): Defeat an opponent using a Created Finisher in a match.
A brawl to end them all (30 points): Win in both a Locker Room Brawl and Backstage Brawl.
Cena Story (20 points): Complete Cena's story in Road to WrestleMania mode.
Triple H Story (40 points): Complete Triple H's DX and Evolution route in Road to WrestleMania mode.
Undertaker Story (20 points): Complete Undertaker's story in Road to WrestleMania mode.
Chris Jericho Story (20 points): Complete Chris Jericho's story in Road to WrestleMania mode.
Mysterio & Batista Story (40 points): Complete Mysterio & Batista's story in Road to WrestleMania mode using both Superstars.
Bonus Collector (150 points): Obtain all bonuses in Road to WrestleMania mode.
Gold Rush (60 points): In Career mode, win every WWE Championship at least once.
A year in the life (100 points): Complete 1 year of Career Mode playing each match.
Unstoppable (60 points): Use a created Superstar and obtain 6 abilities in Career Mode.
5 Hall of Famers (100 points): In Career mode, induct 5 Superstars to the Hall of Fame.

Additionally, there are four secret achievements:

5 Stars (60 points): In Career mode, obtain a 5-Star match rating.
Lights, Camera, Action! (30 points): Create at least 1 original WWE highlight reel.
Hot Tag (30 points): Perform a hot tag in a tag team match and win.
The End of The Road (200 points): Complete Road to WrestleMania mode using each selectable Superstar.