Oriental Blue - Ao no Tengai (J)(Cezar) is a Japanese Game Boy Advance release, as indicated by the '(J)' regional code. The title translates to "Oriental Blue - Heaven's Blue" and suggests a game potentially featuring a focus on Japanese aesthetics or mythology. The publisher is Cezar. Lack of readily available English-language information limits details on its gameplay genre or specific story elements. Further research into Japanese game archives might unveil more about this title's content and background.

Oriental Blue - Ao no Tengai (J)(Cezar)

Onimusha Tactics (U)(Mode7)

Onmyou Taisenki Zeroshiki (J)(Caravan)

Open Season (E)(Rising Sun)

Open Season (E)(Sir VG)

Open Season (U)(Rising Sun)

Original Sunset Wilds title card & sprites for MK - SC by SCD

Oshaberi Inco Club (J)(Chakky)

Oshare Princess (J)(Chakky)

Oshare Princess 2 And Doubutsu Kyaranabi (J)(Mugs)

Oshare Princess 3 (J)(Rising Sun)

Oshare Princess 5 (J)(Supplex)

Oshare Princess EX Primo Debut Monogatari & Renai Uranai Daisakusen (J)(Caravan)