Behind The Scenes Video
Proceed to round 10 in NRL 2003 to unlock a behind the scenes video in the extras menu.
Unlocking Extra Games
To unlock the state of origin and city/country matches, do a full season, it will unlock both to unlock extra games complete the u.k super league season.
To unlock tri nations series and international series complete the state of origin's three matches of the season and it will unlock the remaining season games.
In all these games, it will unlock also video clips, and extra settings/ movies for you to watch, most are unlocked at the end of every season.
Cheerleaders movie is the last to be unlocked after playing 2 seasons of NRL competition.
Mech Players
Press Left, Right(3), Down, Up, Down, B, X at the 'Join Team' screen.
Legionnaire Players
Press Down, Left, Down, Right, Down, Up, X, B at the 'Join Team' screen.
Big Heads
Pause game play, then press Up(2), Right, Down, Left, Right(2), B, X.
Small Heads
Pause game play, then press B(2), Down(2), X(2), Up, Left, Down, Right.
Master Code
Press Up, Down, Up, Left, Down, Right, Up(2), Down, Left, Right, Left, Down(2), Up, Left(2), Right(2), X(2), Left, Down(2), Up, B at the credits screen.
Production Stills Gallery
Accumulate one hour of game play. Games with no human players do not add to this time.
Unlock League God Mode
Win any competition on Legend difficulty.
Unlock Roman Colosseum
In a Single game, at the Match Settings Screen, press Down, Down, Down, Up, Up, Right, Left, Right, Left, X.
Tri Tasman And Tri Nations Series
Win the State Of Origin series as Queensland or New South Wales. Your team must be human controlled in all games.
League God Difficulty
Win the State Of Origin series under the Legend difficulty setting.
Sidhe Team
Win the Tran Tasmin International series under the Legend difficulty setting. Then, look under custom teams in single game mode to find the Sidhe team. Each member has a '10' for all stats, making them the best team in the game.
Announced Created Player Name
Make a created player with a last name that is the same as a regular player(the first name does not matter). When you play a match and he gets the ball, the game will announce his name instead of the number/position.