| Aka: | オセロ ミレニアム |
| Console: | Nintendo Game Boy Color |
| TV Standard: | Region Not Set |
| Developer(s): | Tomcat System |
| Publisher(s): | Tsukada Original |
| Release Date: | 1999-10-08 |
| Players: | 1 |
| Co-op: | No |
| ESRB: | Not Rated |
| Type: | Strategy |
It is about 16 times larger than the previous work and has a rich content. You can play against the computer by choosing from 1 to 4 levels. Equipped with modes that help Othello improve, such as a function that waits without returning the battle, a repeat function that allows you to check the battle from the beginning to the end, a focus function that tells you the best place, and an edit function that allows you to start from your favorite shape. In addition, there are plenty of contents such as a two-player battle mode, a quiz mode, and a "dan certification adventure mode" where you can receive dan certification from the Japan Othello Federation.
