| Ochaken no Heya DS 2 | JP | 2007-01 |
MTO | Commercial |
| Oishinbo - DS Recipe Shuu | JP | 2007-03 |
Namco Bandai Games | Commercial |
| Otona Ryoku Kentei | JP | 2007-03 |
Konami | Commercial |
| Obunsha Deru-jun - Chiri DS | JP | 2007-05 |
IE Institute | Commercial |
| Obunsha Deru-jun - Kokugo DS | JP | 2007-05 |
IE Institute | Commercial |
| Osawari Tantei - Ozawa Rina - Season 2 1-2 - Rina wa Mita! Iya, Mite nai | JP | 2007-05 |
505 Games | Commercial |
| Ontama - Onpu-tou Hen | JP | 2007-06 |
Atlus | Commercial |
| Otona no Onna Ryoku Kentei | JP | 2007-06 |
Konami | Commercial |
| Ontamarama | US | 2007-07 |
Atlus | Commercial |
| Oni Zero - Sengoku Ranse Hyakka Ryouran | JP | 2007-08 |
Compile Heart | Commercial |
| Onsei Kanjou Sokuteiki - Kokoro Scan | JP | 2007-08 |
Sega | Commercial |
| Operation - Vietnam | US | 2007-08 |
Majesco Entertainment | Commercial |
| Original Frisbee Disc Sports - Ultimate & Golf | EU | 2007-09 |
Destination Software | Commercial |
| Original Frisbee Disc Sports - Ultimate & Golf | EU | 2007-09 |
Destination Software | Prototype |
| Original Frisbee Disc Sports - Ultimate & Golf | US | 2007-09 |
Destination Software | Commercial |
| OMG 26 - Our Mini Games | US | 2007-10 |
UFO Interactive Games | Commercial |
| Obunsha Deru-jun - Koumin DS | JP | 2007-10 |
IE Institute | Commercial |
| Obunsha Deru-jun - Sansuu DS | JP | 2007-10 |
IE Institute | Commercial |
| Orcs & Elves | EU | 2007-11 |
Electronic Arts | Commercial |
| Orcs & Elves | US | 2007-11 |
Electronic Arts | Commercial |
| Ochaken no Daibouken - Honwaka Yumemiru Sekai Ryokou | JP | 2007-12 |
MTO | Commercial |
| Oishiku Kiwameru Shokutsuu DS - Otona no Shuumatsu Henshuubu Gensen no Osusume Omise Jouhou Iri | JP | 2007-12 |
Square Enix | Commercial |
| Ojaru-Maru DS - Ojaru to Okeiko Aiueo | JP | 2007-12 |
D3 Publisher | Commercial |
| Ookiku Furikabutte - Honto no Ace ni Nareru kamo | JP | 2007-12 |
Marvelous Entertainment | Commercial |