PlayStation 2
| D1 Professional Drift Grand Prix Series | Unlockable Cars | 05/27/05 |
| Kaido Racer | How to unlock the Special Cars | 05/31/05 |
| Kaido Racer | How to unlock the Special D1 Cars | 05/31/05 |
| Kaido Racer | Unlocking all normal cars and courses in Record Challenge | 05/31/05 |
