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- Macross: True Love Song
- Magical Drop
- Marie & Elie: Futari No Atelier
- Marjong Touryuumon
- Makaimura for WonderSwan
- Medarot Perfect Edition (Kabuto Version)
- Medarot Perfect Edition (Kuwagata Version)
- Megaman WS (japan)
- Meitantei Conan: Majutsushi No Chousenjou
- Meitantei Conan: Nishi No Meitantei Saidai No Kiki!?
- Meitantei Conan: Yuugure No Oujo
- Memories Off Festa
- Mikeneko Holmes: Ghost Panic
- Mingle Magnet
- Metakomi Therapy: Nee Kiite!
- Mobile Suit Gundam MSVS
- Moero !! Pro Yakyuu Rookies
- Morita Shougi
- Mr. Driller
Read more about this topic: List Of WonderSwan Games