| Release | Title | PC | 5th Gen | 6th Gen | Handheld |
|---|
| January 5 | Sonic Battle | — | — | — | GBA |
| January 13 | Fallout: Brotherhood of Steel | — | — | PS2, Xbox | — |
| January 14 | .hack//Quarantine Part 4 | — | — | PS2 | — |
| January 20 | Delta Force: Black Hawk Down – Team Sabre | Windows | — | PS2 | — |
| Maximo vs. Army of Zin | — | — | PS2 | — |
| January 28 | Mafia: The City of Lost Heaven | — | — | PS2 | — |
| Vietcong: Fist Alpha | Win | — | PS2, Xbox | — |
| January 29 | Pokémon FireRed and LeafGreen (Japan) | — | — | — | GBA |
| February | Cops 2170: The Power of Law (Russia) | Windows | — | — | — |
| February 2 | R-Type Final | — | — | PS2 | — |
| February 9 | Final Fantasy Crystal Chronicles | — | — | GCN | — |
| Metroid: Zero Mission | — | — | — | GBA |
| EverQuest: Gates of Discord | Windows | — | — | — |
| February 10 | Nightshade | — | — | PS2 | — |
| Unreal II: The Awakening | — | — | Xbox | — |
| Wrath Unleashed | — | — | PS2, Xbox | — |
| Yu-Gi-Oh! World Championship Tournament 2004 | — | — | — | GBA |
| February 11 | Feeding Frenzy | Windows | — | — | — |
| February 14 | Classic NES Series: Donkey Kong, Excitebike, Ice Climber, The Legend of Zelda, Super Mario Bros. | — | — | — | GBA |
| February 17 | Jet Li: Rise to Honor | — | — | PS2 | — |
| Pro Evolution Soccer 3 | Windows | — | PS2 | — |
| February 24 | Romance of the Three Kingdoms IX | — | — | PS2 | — |
| February 26 | Kaido Battle 2: Chain Reaction | — | — | PS2 | — |
| February 27 | Steel Battalion: Line of Contact | — | — | Xbox | — |
| March 1 | N | Windows | — | — | NDS |
| March 2 | Drakengard | — | — | PS2 | — |
| Lifeline | — | — | PS2 | — |
| Ninja Gaiden | — | — | Xbox | — |
| Scooby-Doo: Mystery Mayhem | — | — | GCN, PS2, Xbox | GBA |
| MTX Mototrax | — | — | PS2, Xbox | — |
| March 4 | Colin McRae Rally 04 | Windows | — | — | — |
| March 8 | The Suffering | Windows | — | PS2, Xbox | — |
| March 9 | Firefighter F.D.18 | — | — | PS2 | — |
| Metal Gear Solid: The Twin Snakes | — | — | GCN | — |
| Tom Clancy's Rainbow Six 3: Athena Sword | Windows | — | — | — |
| March 10 | Tenchu: Wrath of Heaven | — | — | Xbox | — |
| March 11 | Monster Hunter | | | PS2 | |
| March 12 | Seven Samurai 20XX | — | — | PS2 | — |
| March 14 | Battlefield Vietnam | Windows | — | — | — |
| March 15 | Wade Hixton's Counter Punch | — | — | — | GBA |
| March 16 | Unreal Tournament 2004 | Windows | — | — | — |
| March 19 | Sacred[22] | Windows (EU) | — | — | — |
| March 23 | Counter-Strike: Condition Zero | Windows | — | — | — |
| Far Cry | Windows | — | — | — |
| Final Fantasy XI | — | — | PS2 (US) | — |
| Mission: Impossible – Operation Surma | — | — | GCN | — |
| Sonic Heroes | Windows | — | GCN, PS2, Xbox | — |
| All-Star Baseball 2005 | — | — | Xbox | — |
| | | | |
| Tom Clancy's Splinter Cell: Pandora Tomorrow | Windows | — | GCN, PS2, Xbox | GBA |
| March 24 | Samurai Jack: The Shadow of Aku | — | — | GCN, PS2 | — |
| March 25 | Sacred[22] | Windows (NA) | — | — | — |
| March 31 | Resident Evil Outbreak | — | — | PS2 | — |
| April 1 | Destruction Derby Arenas | — | — | PS2 | — |
| April 5 | Alias | Win | — | PS2, Xbox | — |
| Fight Night 2004 | — | — | PS2, Xbox | — |
| April 8 | All-Star Baseball 2005 | — | — | PS2 | — |
| April 12 | Painkiller | Windows | — | — | — |
| Serious Sam Advance | — | — | — | GBA |
| April 13 | TOCA Race Driver 2 | Windows | — | Xbox | — |
| April 20 | Hitman: Contracts | Windows | — | PS2, Xbox | — | | | — | | — |
| Manhunt | Windows | | Xbox | | | | | | |
| Rise of Nations: Thrones and Patriots | City of Heroes | Windows | — | — | — |
| April 27 | Windows | — | — | — |
| April 28 | Beyond Divinity | Win | — | — | — |
| April | .kkrieger | Win | — | — | — |
| May 4 | La Pucelle: Tactics | — | — | PS2 | — |
| Red Dead Revolver | | — | PS2, Xbox | — |
| Rallisport Challenge 2 | — | — | Xbox | — |
| May 6 | Samurai Warriors | — | — | PS2 | — |
| May 7 | Future Tactics: The Uprising | — | — | GCN, PS2, Xbox | — |
| May 21 | Classic NES Series: Dr. Mario | — | — | — | GBA |
| May 21 | Way of the Samurai 2 | — | — | PS2 | — |
| May 24 | Mario vs. Donkey Kong | — | — | — | GBA |
| May 25 | Chaos Field | | | | | Arcade |
| Metal Slug 3 | — | — | Xbox | — |
| Harry Potter and the Prisoner of Azkaban | Windows | — | PS2, Xbox, GCN | GBA |
| Thief: Deadly Shadows | Windows | — | Xbox | — |
| June 1 | The Chronicles of Riddick: Escape from Butcher Bay | — | — | Xbox | — |
| June 7 | Sonic Advance 3 | — | — | — | GBA |
| The Legend of Zelda: Four Swords Adventures | — | — | GCN | — |
| June 8 | Ribbit King | — | — | GCN, PS2 | — |
| June 14 | Psi-Ops: The Mindgate Conspiracy | Win | — | PS2, Xbox | — |
| June 15 | Front Mission 4 | — | — | PS2 | — |
| Joint Operations: Typhoon Rising | Windows | — | — | — |
| June 21 | Driver 3 | — | — | PS2, Xbox | — |
| June 22 | Dragon Ball Z: Supersonic Warriors | — | — | — | GBA |
| June 23 | Mega Man Anniversary Collection | — | — | GCN, PS2, Xbox (2005) | GBA |
| June 27 | Mega Man Battle Network 4 | — | — | — | GBA |
| June 29 | CT Special Forces 2: Back in the Trenches | — | — | — | GBA |
| Spider-Man 2 | Windows (US 06/28/04, EU 07/09/04) | — | — | — |
| July 2 | Yu-Gi-Oh! Power of Chaos: Joey the Passion | Win | — | — | — |
| July 5 | Around the World in 80 Days | — | — | — | GBA |
| July 9 | Richard Burns Rally | Win | — | PS2, Xbox | — |
| July 13 | Tales of Symphonia | — | — | GCN | — |
| July 14 | Athens 2004 | — | — | PS2 | — |
| July 15 | Shin Megami Tensei: Digital Devil Saga | — | — | PS2 | — |
| July 20 | Catwoman | Windows | — | GCN, PS2, Xbox | GBA |
| Puyo Pop Fever | — | — | GCN | — |
| Sudeki | — | — | Xbox | — |
| July 21 | Crimson Tears | — | — | PS2 | — |
| July 22 | Bujingai | — | — | PS2 | — |
| July 29 | Mega Man X: Command Mission | — | — | GCN, PS2 | — |
| August 1 | NFL GameDay 2005 | — | PS1 | — | — |
| August 3 | Doom 3 | Windows | — | — | — |
| August 5 | Cartoon Network: Block Party | — | — | — | GBA |
| August 10 | Classic NES Series: Metroid, Zelda ii: The Adventure of Link | — | — | — | GBA |
| August 18 | Astro Boy: Omega Factor | — | — | — | GBA |
| August 24 | Crazy Bus | — | — | — | — |
| Starsky & Hutch | — | — | GCN | — |
| Viewtiful Joe | — | — | PS2 | — |
| August 25 | Amazing Island | — | — | GCN | — |
| August 30 | Pikmin 2 | — | — | GCN | — |
| WWE Day of Reckoning | — | — | GCN | — |
| August 30 | Nancy Drew: The Secret of Shadow Ranch | Win | — | — | — |
| August 31 | Street Racing Syndicate | — | — | GCN, PS2, Xbox | — |
| September 2 | Terminator 3: The Redemption | — | — | PS2, Xbox | — |
| September 3 | Digimon Rumble Arena 2 | — | — | PS2, Xbox | — |
| September 6 | Digimon Rumble Arena 2 | — | — | GCN | — |
| September 7 | Burnout 3: Takedown | — | — | PS2, Xbox | — |
| Silent Hill 4: The Room | Windows | — | PS2, Xbox | — |
| September 8 | Carmen Sandiego: The Secret of the Stolen Drums | — | — | PS2 | — |
| The Fairly OddParents: Shadow Showdown | Windows | — | GCN, PS2 | GBA |
| September 9 | King of Colosseum II | — | — | PS2 | — |
| Pokémon FireRed and LeafGreen (North America) | — | — | — | GBA |
| September 12 | Barbie as the Princess and the Pauper | — | — | — | GBA |
| September 13 | Carmen Sandiego: The Secret of the Stolen Drums | — | — | GCN, Xbox | — |
| Digimon Racing | — | — | — | GBA |
| EverQuest: Omens of War | Windows | — | — | — |
| The Adventures of Jimmy Neutron Boy Genius: Attack of the Twonkies | — | — | GCN, PS2 | GBA |
| September 14 | Advance Guardian Heroes | — | — | — | GBA |
| Power Rangers Dino Thunder | — | — | GCN, PS2, Xbox | GBA |
| Gradius V | — | — | PS2 | — |
| Bad Boys: Miami Takedown | — | — | GCN, PS2, Xbox | — |
| Call of Duty: United Offensive | Windows | — | — | — |
| Fable | — | — | Xbox | — |
| Sly 2: Band of Thieves | — | — | PS2 | — |
| The Sims 2 | Windows | — | — | — |
| September 16 | Pokémon Emerald (Japan) | — | — | — | GBA |
| September 17 | Crisis Zone | — | — | PS2 | — |
| September 20 | F-Zero: GP Legend | — | — | — | GBA |
| Def Jam: Fight for NY | — | — | GCN, PS2, Xbox | — |
| Warhammer 40,000: Dawn of War | Windows | — | — | — |
| September 21 | Blood Will Tell | — | — | PS2 | — |
| Dance Dance Revolution Extreme | — | — | PS2 | — |
| Final Fantasy XI: Chains of Promathia | Windows | — | PS2 | — |
| Second Sight | — | — | GCN, PS2, Xbox | — |
| Star Wars: Battlefront | Win | — | PS2, Xbox | — |
| Star Wars Trilogy: Apprentice of the Force | — | — | — | GBA |
| September 22 | Disney's Kim Possible 2: Drakken's Demise | — | — | — | GBA |
| Katamari Damacy | — | — | PS2 | — |
| Rome: Total War | Win | — | — | — |
| September 27 | Shadow Hearts: Covenant | — | — | PS2 | — |
| Shark Tale | Win | — | GCN, PS2, Xbox | GBA |
| September 28 | Armored Core: Nexus | — | — | PS2 | — |
| Myst IV: Revelation | Win | — | — | — |
| Crash Twinsanity | — | — | PS2, Xbox | — |
| September 29 | Neocron 2: Beyond Dome of York | Win | | | |
| October 1 | Kult: Heretic Kingdoms | Win, Mac | — | — | — |
| Scaler | — | — | GCN, PS2, Xbox | — |
| October 4 | Mortal Kombat: Deception | — | — | PS2 | — |
| Tony Hawk's Underground 2 | Win | — | GCN, PS2, Xbox | GBA |
| October 5 | Tribes: Vengeance | Win | — | — | — |
| Conflict: Vietnam | Win | — | PS2, Xbox | — |
| Leisure Suit Larry: Magna Cum Laude | Win | — | PS2, Xbox | — |
| Mega Man Zero 3 | — | — | — | GBA |
| Nancy Drew: Curse of Blackmoor Manor | Windows | — | — | — |
| Syberia II | — | — | Xbox | — |
| TOCA Race Driver 2 | — | — | PS2 | — |
| October 11 | Paper Mario: The Thousand-Year Door | — | — | GCN | — |
| October 14 | BloodRayne 2 | — | — | PS2 | — |
| Lilo & Stitch 2: Hämsterviel Havoc | — | — | — | GBA |
| Shin Megami Tensei: Nocturne | — | — | PS2 | — |
| Tak 2: The Staff of Dreams | — | — | GCN, PS2, Xbox | GBA |
| FIFA Football 2005 | Windows | PS1 | GCN, PS2 | GBA, PSP |
| Under the Skin | — | — | PS2 | — |
| October 18 | Kirby & the Amazing Mirror | — | — | — | GBA |
| October 19 | Neo Contra | — | — | PS2 | — |
| All Grown Up!: Express Yourself | — | — | PS2, GCN | GBA |
| Teenage Mutant Ninja Turtles 2: Battle Nexus | Windows | — | GCN, PS2, Xbox | GBA |
| Boktai 2: Solar Boy Django | — | — | — | GBA |
| October 20 | Ape Escape: Pumped & Primed | — | — | PS2 | — |
| Tron 2.0 | — | — | — | GBA |
| October 22 | Sacred Plus[22] (EU) | Windows | — | — | — |
| October 25 | Ace Combat 5: The Unsung War | — | — | PS2 | — |
| OutRun 2 | — | — | Xbox | — |
| October 26 | Dead or Alive Ultimate | — | — | Xbox | — |
| Grand Theft Auto Advance | — | — | — | GBA |
| Star Wars Galaxies: Jump to Lightspeed | Windows | — | — | — |
| Grand Theft Auto: San Andreas | — | — | PS2 | — |
| Yu-Gi-Oh! Destiny Board Traveler | — | — | — | GBA |
| October 27 | The Nightmare of Druaga: Fushigino Dungeon | — | — | PS2 | — |
| The SpongeBob SquarePants Movie | Windows | — | GCN, PS2, Xbox | GBA |
| October 29 | The Incredibles | Windows | — | — | — |
| November 1 | Counter-Strike: Source | Windows | — | — | — |
| November 2 | Codename: Kids Next Door – Operation: S.O.D.A. | — | — | — | GBA |
| Godzilla: Save the Earth | — | — | PS2, Xbox | — |
| Killzone | — | — | PS2 | — |
| Medal of Honor: Pacific Assault | Windows | — | — | — |
| RollerCoaster Tycoon 3 | Windows | — | — | — |
| Ratchet & Clank: Up Your Arsenal | — | — | PS2 | — |
| The Lord of the Rings: The Third Age | — | — | GCN, PS2, Xbox | GBA |
| November 3 | Spyro: A Hero's Tail | — | — | GCN, PS2, Xbox | — |
| The Incredibles: When Danger Calls | Windows | — | — | — |
| November 4 | Godzilla: Save the Earth | — | — | PS2, Xbox | — |
| The Legend of Zelda: The Minish Cap | — | — | — | GBA |
| November 5 | Bejeweled 2 | Windows | — | — | — |
| FlatOut (Europe) | Win | Xbox | — | — |
| November 8 | EverQuest II | Windows | — | — | — |
| Mario Power Tennis (North America) | — | — | GCN | — |
| November 9 | EyeToy: AntiGrav | — | — | PS2 | — |
| Halo 2 | — | — | Xbox | — |
| Jak 3 | — | — | PS2 | — |
| Shaman King: Master of Spirits | — | — | — | GBA |
| Shaman King: Power of Spirit | — | — | PS2 | — |
| November 10 | Hot Wheels: Stunt Track Challenge | — | — | PS2, Xbox | GBA |
| Lemony Snicket's A Series of Unfortunate Events | Windows | — | GCN, PS2, Xbox | GBA, NDS |
| November 15 | Donkey Kong Country 2: Diddy's Kong Quest | — | — | — | GBA |
| Metroid Prime 2: Echoes | — | — | GCN | — |
| MTX Mototrax | Win | — | — | — |
| Need for Speed: Underground 2 | Windows | — | GCN, PS2, Xbox | GBA, NDS |
| November 16 | Dragon Ball Z: Budokai 3 | — | — | PS2 | — |
| Feel the Magic: XY/XX | — | — | — | NDS |
| Fight Club | — | — | PS2, Xbox | — |
| Half-Life 2 | Windows | — | Xbox (2005) | — |
| Joint Operations: Escalation | Windows | — | — | — |
| Vampire: The Masquerade – Bloodlines | Windows | — | — | — |
| November 17 | Asphalt Urban GT | — | — | — | NDS |
| Castle Shikigami 2 | — | — | PS2 | — |
| Forgotten Realms: Demon Stone | — | — | Xbox | — |
| King Arthur | — | — | PS2 | — |
| Metal Gear Solid 3: Snake Eater | — | — | PS2 | — |
| Pac-Man World | — | — | — | GBA |
| November 18 | Blinx 2: Masters of Time and Space | — | — | Xbox | — |
| Dragon Ball: Advanced Adventure | — | — | — | GBA |
| Baten Kaitos: Eternal Wings and the Lost Ocean | — | — | GCN | — |
| Yu Yu Hakusho: Tournament Tactics | — | — | — | GBA |
| November 19 | Mario vs. Donkey Kong | — | — | — | GBA |
| November 21 | Super Mario 64 DS | — | — | — | NDS |
| Spider-Man 2 | — | — | — | NDS |
| Metroid Prime Hunters: First Hunt | — | — | — | NDS |
| November 22 | GoldenEye: Rogue Agent | — | — | GCN, PS2, Xbox | NDS |
| JFK Reloaded | Windows | — | — | — |
| November 23 | Alien Hominid | — | — | GCN | — |
| World of Warcraft | Windows | — | — | — |
| November 29 | Final Fantasy I & II: Dawn of Souls | — | — | — | GBA |
| November 30 | Mr. Driller Drill Spirits | — | — | — | NDS |
| Armies of Exigo | Windows | — | — | — |
| December 1 | Painkiller: Battle out of Hell | Windows | — | — | — |
| Scrapland | Windows | — | — | — |
| Top Gun: Combat Zones | — | — | — | GBA |
| December 2 | Metal Slug Advance | — | — | — | GBA |
| Prince of Persia: Warrior Within | Windows | — | GCN, PS2, Xbox | — |
| December 5 | Mario Party 6 | — | — | GCN | — |
| December 6 | Star Wars: Knights of the Old Republic II The Sith Lords | Windows | — | Xbox | — |
| The Lord of the Rings: The Battle for Middle-earth | Windows | — | — | — |
| December 7 | Growlanser Generations | — | — | PS2 | — |
| Kingdom Hearts: Chain of Memories | — | — | — | GBA |
| Kuon | — | — | PS2 | — |
| It's Mr. Pants | — | — | — | GBA |
| Mega Man X8 | — | — | PS2 | — |
| Ridge Racer DS | — | — | — | NDS |
| December 8 | The Chronicles of Riddick: Escape from Butcher Bay | Windows | — | — | — |
| Sprung | — | — | — | NDS |
| Viewtiful Joe 2 | — | — | PS2 | — |
| December 14 | Gungriffon Allied Strike | — | — | Xbox | — |
| December 15 | Dragon Ball Z: Budokai 2 | — | — | GCN | — |
| December 20 | Cave Story | Windows | — | — | — |
| December 22 | NFL Street 2 | — | — | GCN, PS2, Xbox | — |
| December 24 | Garry's Mod | Windows | — | — | — |
| December 28 | Gran Turismo 4 | — | — | PS2 | — |
