For those wondering, here's the 1st party developed (or co-developed) games this gen so far... only retail, no downloadables, and only games that saw release in at least one western market...
Nintendo DS (Nintendo)
- Super Mario 64 DS (Nintendo EAD) 2004
- Ridge Racer DS (Nintendo Software Technology) 2004
- WarioWare Touched! (Nintendo SPD / Intelligent Systems) 2005
- Pokemon Dash (Ambrella) 2005
- Yoshi Touch & Go! (Nintendo EAD) 2005
- Kirby: Canvas Curse (HAL Laboratory) 2005
- Advance Wars: Dual Strike (Intelligent Systems) 2005
- Nintendogs (Nintendo EAD) 2005
- Mario Kart DS (Nintendo EAD) 2005
- Animal Crossing: Wild World (Nintendo EAD) 2005
- Pokemon Trozei! (Genius Sonority) 2006
- Metroid Prime Hunters (Nintendo Software Technology) 2006
- Tetris DS (Nintendo SPD) 2006
- Brain-Age: Train your Brain in Minutes a Day (Nintendo SDD) 2006
- New Super Mario Bros. (Nintendo EAD) 2006
- Big Brain Academy (Nintendo EAD) 2006
- Mario Vs. Donkey Kong 2: March of the Minis (Nintendo Software Technology) 2006
- Magical Starsign (Brownie Brown) 2006
- Pokemon Ranger (HAL Laboratory) 2006
- English Training: Have Fun Improving your Skills (Nintendo SDD) 2006
- Kirby: Squeak Squad (HAL Laboratory / Flagship) 2006
- Custom Robo Arena (Noise) 2007
- Planet Puzzle League (Intelligent Systems) 2007
- Pokemon Diamond / Pearl (Game Freak / Creatures Inc.) 2007
- Heroes of Mana (Brownie Brown) 2007
- Brain-Age 2: More Training in Minutes a Day (Nintendo SDD) 2007
- The Legend of Zelda: Phantom Hourglass (Nintendo EAD) 2007
- Advance Wars: Days of Ruin (intelligent Systems) 2008
- Pokemon Ranger: Shadows of Almia (HAL Laboratory) 2008
- Kirby: Super Star Ultra (HAL Laboratory) 2008
- 100 Classic Books (Genius Sonority) 2008
- Fire Emblem: Shadow Dragon (Intelligent Systems) 2009
- Pokemon Platinum (Game Freak / Creatures Inc.) 2009
- Rhythm Heaven (Nintendo SPD / THX) 2009
- Go Go Cosmo Cops (Noise) 2009
- Personal Trainer: Walking (Jupiter / Nintendo NSD) 2009
- The Legend of Zelda: Spirit Tracks (Nintendo EAD) 2009
- Picross 3D (HAL Laboratory) 2010
- Pokemon Heart Gold / Soul Silver (Game Freak / Creatures Inc. / Nintendo NSD) 2010
- Wario Ware D.I.Y. (Nintendo SPD / Intelligent Systems) 2010
PlayStation Portable (Sony Computer Entertainment)
- Twisted Metal: Head On (incognito Inc. / SCE Santa Monica Studio) 2005
- Wipeout Pure (SCE Studio Liverpool) 2005
- MLB 2006 (989 Studios) 2005
- World Tour Soccer: Challenge Edition (SCE London Studio) 2005
- Hot Shots Gold: Open Tee (Clap Hanz) 2005
- MediEvil Resurrection (SCE Studio Cambridge) 2005
- Fired Up (SCE London Studio) 2005
- NBA 06 (SCE Studio San Diego) 2005
- Pursuit Force (BigBig Studios) 2005
- MLB 06: The Show (SCE San Diego Studio) 2006
- Syphon Filter: Dark Mirror (Sony Bend) 2006
- LocoRoco (SCE Japan Studio) 2006
- Formula One 06 (SCE Studio Liverpool) 2006
- Gangs of London (SCE Team Soho) 2006
- Killzone Liberation (Guerilla Games) 2006
- NBA 07 (SCE San Diego Studio) 2006
- Talkman Euro (SCE Japan Studio) 2006
- SOCOM U.S.Navy SEALs: Fireteam Bravo 2 (Zipper Interactive) 2006
- MLB 07: The Show (SCE San Diego Studio) 2007
- Syphon Filter: Logan's Shadow (Sony Bend) 2007
- NBA 08 (SCE San Diego Studio) 2007
- Pursuit Force: Extreme Justice (BigBig Studios) 2007
- Wipeout Pulse (SCE Studio Liverpool) 2007
- Echochrome (SCE Japan Studio / Game Yarouze) 2008
- Patapon (SCE Japan Studio / Pyramid) 2008
- MLB 08: The Show (SCE San Diego Studio) 2008
- Hots Shots Golf: Open Tee 2 (Clap Hanz) 2008
- NBA 09: The Inside (SCE San Diego Studio) 2008
- LocoRoco 2 (SCE Japan Studio) 2008
- Patapon 2 (SCE Japan Studio / Pyramid) 2009
- MLB 09: The Show (SCE San Diego Studio) 2009
- Resistance Retribution (Sony Bend) 2009
- MotorStorm: Arctic Edge (BigBig Studios) 2009
- Gran Turismo: The Real Driving Simulator (Polyphony Digital) 2009
- LittleBig Planet (Media Molecule / SCE Studio Cambridge) 2009
- MLB 10: The Show (SCE San Diego Studio) 2010
Xbox 360 (Microsoft Game Studios)
- Kameo: Elements of Power (Rare) 2005
- Perfect Dark Zero (Rare) 2005
- Viva Pinata (Rare) 2006
- Forza Motorsport 2 (Turn 10 Studio) 2007
- Shadowrun (FASA Interactive) 2007
- Halo 3 (Bungie Software) 2007
- Viva pinata: Trouble in Paradise (Rare) 2008
- Fable II (Lionhead Studios) 2008
- Banjo-Kazooie: Nuts & Bolts (Rare) 2008
- Halo Wars (Ensemble Studios) 2009
- Forza Motorsport 3 (Turn 10 Studio) 2009
PlayStation 3 (Sony Computer Entertainment)
- NBA 07 (SCE San Diego Studio) 2006
- Formula One Championship Edition (SCE Studio Liverpool) 2007
- MLB 07: The Show (SCE San Diego Studio) 2007
- WarHawk (Incognito Inc. / SCE Santa Monica Studio) 2007
- The Eye of Judgement (SCE Japan Studio) 2007
- NBA 08 (SCE San Diego Studio) 2007
- Uncharted: Drake's Fortune (Naughty Dog Software) 2007
- SingStar (SCE London Studio) 2007
- Hots Shots Golf: World Tour (Clap Hanz) 2008
- Gran Turismo 5 Prologue: The Real Driving Simulator (Polyphony Digital) 2008
- Siren: Blood Curse (SCE Japan Studio) 2008
- MotorStorm: Pacific Rift (Evolution Studios) 2008
- NBA 09: The Inside (SCE San Diego Studio) 2008
- Killzone 2 (Guerilla Games) 2009
- MLB 09: The Show (SCE San Diego Studio) 2009
- EyePet (SCE London Studio) 2009
- Uncharted 2: Among Thieves (Naughty Dog Software) 2009
- SingStar Mowtown (SCE London Studio) 2009
- M.A.G. Massive Action Game (Zipper Interactive) 2010
- MLB 10: The Show (SCE San Diego Studio) 2010
- God War III (SCE Santa Monica Studio) 2010
Wii (Nintendo)
- Wii Sports (Nintendo EAD) 2006
- The Legend of Zelda: Twilight Princess (Nintendo EAD) 2006
- Wario Ware Smooth Moves (Nintendo SPD / Intelligent Systems) 2007
- Wii Play (Nintendo EAD) 2007
- Super Paper Mario (Intelligent Systems) 2007
- Big Brain Academy: Wii Degree (Nintendo EAD) 2007
- Pokemon Battle Revolution (Genius Sonority) 2007
- Metroid Prime 3: Corruption (Retro Studios) 2007
- Link's Crossbow Training (Nintendo EAD) 2007
- Fire Emblem: Radiant Dawn (Intelligent Systems) 2007
- Super Mario Galaxy (Nintendo EAD Tokyo) 2007
- Dragon Quest Swords: The Masked Queen and the Tower of Mirrors (Genius Sonority / 8ing) 2008
- Super Smash Bros. Brawl (Sora / Game Arts / HAL Laboratory / Monolith Software) 2008
- Mario Kart Wii (Nintendo EAD) 2008
- Wii Fit (Nintendo EAD) 2008
- Wii Music (Nintendo EAD) 2008
- Disaster: Day of Crisis (Monolith Software) 2008
- Animal Crossing: City Folk (Nintendo EAD) 2008
- New Play Control! Pikmin (Nintendo EAD) 2009
- New Play Control! Donkey Kong: Jungle Beat (Nintendo EAD Tokyo) 2009
- New Play Control! Pikmin 2 (Nintendo EAD) 2009
- Wii Sports Resort (Nintendo EAD) 2009
- Metroid Prime Trilogy (Retro Studios) 2009
- Wii Fit Plus (Nintendo EAD) 2009
- New Super Mario Bros. Wii (Nintendo EAD) 2009







