chibiz

Hmm.

SMT - ROM Only for US
SMT 2 - ROM Only for US
SMT 3 Nocturne - PS2
P1 - PSP
P2 - PS?
P3 - PS2, PSP Soon
P3FES - PS2
P4 - PS2
Devil Summoner - PS2
Devil Summoner 2 - PS2
Devil Survivor - DS
Digital Devil Saga - PS2
D D S 2 - PS2
Strange Journey - DS
Imagine - Online PC

I think that is all.
 That makes 15 total.