| Title | Developer | Publisher(s) | Exclus. | Japan | Europe | North America |
|---|---|---|---|---|---|---|
| The Suite Life in re Zack bag Cody: Tipton Trouble[19] | Buena Vista Games | Disney Interactive | Yes | |||
| Tabi plebiscite Yubi Sashi Kaiwai Chou DS Series 1: Thailand[201] | Nintendo | Nintendo | Yes | |||
| Tabi nay Yubi Sashi Kaiwai Chou DS Series 2: CHN[202] | Nintendo | Nintendo | Yes | |||
| Tabi yeas and nays Yubi Sashi Kaiwai Chou DS Series 3: Korea[203] | Nintendo | Nintendo | Yes | |||
| Tabi straw vote Yubi Sashi Kaiwai Chou DS Series 4: America[204] | Nintendo | Nintendo | Yes | |||
| Tabi yeas and nays Yubi Sashi Kaiwai Chou DS Series 5: Germany[205] | Nintendo | Nintendo | Yes | |||
| Taiko proxy Tatsujin DS[206] | Namco | Nintendo | Yes | |||
| Tak: The Great Juju Challenge[8] | Avalanche Software | THQ | No | |||
| Tales speaking of the Tempest[207] | Namco | Namco | Yes | |||
| Tales in relation to Innocence[208] | Alfa System | Namco Bandai | Yes | |||
| Tamagotchi Connection: Corner Shop[209] | NanaOn-Sha | Bandai | Yes | |||
| Tamagotchi Connection: Corner Shop 2[210] | NanaOn-Sha | Namco Bandai Games America JP Bandai AU Atari | Yes | |||
| Tank Beat[211] | Milestone Inc. | Milestone Inc. NA O~3 Entertainment | Yes | |||
| Tantei Kibukawa Ryosuke Jiken Tan: The Masquerade Lullaby[212] | Genki | Genki | ||||
| Tao's Adventure: Curse touching The Demon Seal[11] | Konami | Konami | ||||
| Teenage Mutant Ninja Turtles 3 Mutant Nightmare[11] | Konami | Konami | No | |||
| Telly Addicts[10] | Ubisoft | Ubisoft | No | |||
| Tenchu: Dark Secret[2] | From Software | From Software NA Nintendo AU Nintendo | Yes | |||
| Tetris DS[2] | Nintendo | Nintendo | Yes | |||
| Texas Hold 'Em[213] | Skyworks | Majesco Games | ||||
| Texas Hold 'Em Poker Pack[214] | Webfoot Tech | Summitsoft Entertainment | ||||
| Theme Park[16] | EA JPN Studio | EA Games | Yes | |||
| Tiger Woods PGA Tour 2005[16] | EA Sports | EA Sports | No | |||
| Time Ace[11] | TBA | Konami | Yes | |||
| Time Hollow[11] | Konami | Nintendo | Yes | |||
| TMNT[10] | Ubisoft Montreal | Ubisoft | No | |||
| Tomb Raider: Legend[215] | Crystal Dynamics | Eidos Interactive | No | |||
| Tom Clancy's Splinter Cell: Chaos Theory[10] | Ubisoft | Ubisoft | No | |||
| Toy Shop[216] | Majesco | Majesco | Yes | |||
| Tony Hawk's American Sk8land[217] | Vicarious Visions | Activision | No | |||
| Tony Hawk's Downhill Jam[218] | Vicarious Visions | Activision | No | |||
| Top Gear: Downforce[219] | ShadeTree | Tantalus | ||||
| Top Gun DS[220] | InterActive Vision | Taito EU 505 Games NA Mastiff | Yes | |||
| Top Spin 2[221] | 2K Sports | 2K Sports | No | |||
| Totally Spies! 2: Undercover[222] | Atari | Atari | No | |||
| Touch Detective[223] | BeeWorks | Success NA Atlus EU 505 Games | Yes | |||
| Touch Detective 2 1/2[224] | BeeWorks | Success NA Atlus | Yes | |||
| Touch Dictionary[225] | Daiwon C&A | Daiwon C&A | Yes | |||
| Touch the Dead[226] | Dream On | Eidos Interactive | Yes | |||
| Tounou Ni Asekaku Game Series: Volume 1: Cool 104 Joker & Setline[227] | Aruze Corporation | Aruze Corporation | ||||
| Trace Memory Another Code: Two Memories[2] | Cing | Nintendo | Yes | |||
| Transformers: The Game | Vicarious Visions | Activision | No | |||
| Trauma Center: Under the Knife [228] | Atlus | Atlus | Yes | |||
| True Swing Golf Touch Golf[2] | T&E Soft | Nintendo | Yes | |||
| Tsubasa Chronicle[229] | Cavia | Arika | ||||
| Tsubasa Chronicle Vol.2[230] | Cavia | Arika | ||||
| Turn It Around | Majesco Entertainment | 505 Games |