Title - Jahmong

Developer - Vist

Title - Jetcoaster Dream

Developer - Bimboo Soft

Title - Jetcoaster Dream 2

Developer - Bimboo Soft

Title - Jet Set Radio Sample Disc 

Developer - Sega

Title - Jet Set Radio

Developer - Sega

Title - Jikyou Powerful Pro Yakyuu Dreamcast Edition

Developer - Konami

Title - Jinsei Game for Dreamcast

Developer - Takara

Title - Jissen Pchi Slot Hisshouhou@V-Pachi

Developer - Maxbet

Title - J. League Pro Soccer Club Wo Tsukuru

Developer - Sega

Title - J. League Pro Soccer Club Wo Tsukuru 2

Developer - Smilebit / Sega

Title - J.League Spectacle Soccer

Developer - Smilebit / Sega

Title - JoJo's Bizarre Adventure for matching service

Developer - Capcom

Title - JRA PAT for Dreamcast

Developer - Sega

Title - July

Developer - 45 XLV