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- Kakutou Ryouri Densetsu: Bistro Recipe -Wonder Battle Hen-
- Kappa Games: Chou Denki Card Battle "Youfu Makai" Kikuchi Hideyuki
- Kaze no Klonoa: Moonlight Museum
- Keiba Yosou Shien Soft: Yosou Shinkaron
- Kidou Senshi Gundam Giren No Yabou Tokubetsu Hen Aoki Hoshi No Hasha
- Kidou Senshi Gundam Seed
- Kidou Senshi Gundam Vol.1 -Side 7-
- Kidou Senshi Gundam Vol.2 -Jaburo-
- Kidou Senshi Gundam Vol.3 -A Baoa Qu-
- Kinniku Man II-sei: Choujin Seisenshi
- Kiss Yori... Seaside Serenade
- Kosodate Quiz Dokodemo My Angel
- Kurupara
Read more about this topic: List Of WonderSwan Games