| Name | Total | ... |
|---|---|---|
| ORANGE POP | 1 | GO |
| Orange Restaurant | 1 | GO |
| Orange Typhoon | 1 | GO |
| Orange☆Blossom | 1 | GO |
| ORANGE☆CHANNEL | 1 | GO |
| ORANGE☆SOFT | 14 | GO |
| orangelepsy | 1 | GO |
| OrangeMaru | 21 | GO |
| ORCSOFT | 9 | GO |
| Ore Gun | 3 | GO |
| Oregun | 1 | GO |
| Oreichigo | 1 | GO |
| Oremuha X | 1 | GO |
| Orenjiru | 1 | GO |
| Oretachi Misnon Ikka | 15 | GO |
| Oreteki18kin | 1 | GO |
| ORICOMPLEX | 9 | GO |
| Oronamin-Day | 1 | GO |
| Ororiya Enpitsudou | 2 | GO |
| Ortensia | 8 | GO |
| orugouru | 3 | GO |
| orz | 6 | GO |
| OS tokku | 5 | GO |
| Osakana Planet | 1 | GO |
| Osaru no Noumiso | 5 | GO |
| OSHABAN | 1 | GO |
| Oshiruko Kan | 22 | GO |
| Osiris | 1 | GO |
| Osomatsusama | 2 | GO |
| OTA OFFICE | 5 | GO |
| Otabe Dynamites | 24 | GO |
| Otafuku-tei | 1 | GO |
| Otajai | 1 | GO |
| Otaku Beam | 28 | GO |
| OtakuLife Japan | 2 | GO |
| OTAUT-R | 1 | GO |