Everyone in this community knows there are loads of dreamcast games developed by Subsidiaries of Sega of Japan like AM1,AM2 overworks ,hitmaker whose games count as first party games made by sega of Japan and today you have third party pc , xbox one , ps4 and wii u made by creative assembley and sports interactive that count as third party sega Europe games but how many first party dreamcast games made by SEGA of America and SEGA Europe i don't know if sonic adventure 2 counts not sure if that was made in Japan or America and No cliche games toy commander , toy racer and the canceled agartha are the only ones I can think of , I don't know any first party dreamcast games made in north America other than maybe sonic adventure 2