Saturn:
D
Enemy Zero
Sega Rally
Daytona USA
NiGHTS

Dreamcast:
D2
Gundam Side Story 0079: Rise From the Ashes
Hydro Thunder
Seaman

N64:
Zelda OoT
Zelda MM
Super Smash Bros
Banjo-Kazooie
Paper Mario
Super Mario 64

Not picky about cart only vs complete for the N64 side of things BUT I do prefer things be in good cosmetic condition.