Total: 19,227
Ougon no Taiyou - Shitsu Warate Jidai (J)(Eurasia)
Ougon no Taiyo (J)(Eurasia)
Ottifanten Pinball (G)(Rising Sun)
Oshare Wanko (J)(Supplex)
Oshare Princess EX Primo Debut Monogatari & Renai Uranai Daisakusen (J)(Caravan)
Oshare Princess 5 (J)(Supplex)
Oshare Princess 3 (J)(Rising Sun)
Oshare Princess 2 And Doubutsu Kyaranabi (J)(Mugs)
Oshare Princess (J)(Chakky)
Oshaberi Inco Club (J)(Chakky)
Original Sunset Wilds title card & sprites for MK - SC by SCD
Oriental Blue - Ao no Tengai (J)(Cezar)
Operation Armored Liberty (U)(Rising Sun)
Open Season (U)(Rising Sun)
Open Season (E)(Sir VG)
Open Season (E)(Rising Sun)
Onmyou Taisenki Zeroshiki (J)(Caravan)
Onimusha Tactics (U)(Mode7)
Onimusha Tactics (J)(Eurasia)
Onimusha Tactics (E)(Patience)
