TurboGrafx-16

ConsoleNameDeveloperLucca's Observations
TurboGrafx-16CadashTaitoMore playable characters than the GEN version, multiplayer available
TurboGrafx-16Double DungeonsNCSCo-op first-person dungeon crawl
TurboGrafx-16Dungeon ExplorerAtlusCo-op top-down dungeon crawl, think Gauntlet
JP PC EngineHisou Kaihei X-SERDMasayaA mech-based SRPG with separate XP bars for attack and evasion
JP PC EngineLady Sword: Ryakudatsu Sareta 10 Nin no OtomeHacker InternationalFirst-person dungeon crawler with no visible XP and monsters that attack in your sleep
JP PC EngineMadou Monogatari I: Honoo no SotsuenjiCompileCute af first-person dungeon crawl; unconventional experience counter, adds voice acting, new monsters and cutscenes/events to the original
JP PC EngineMakai Hakkenden: ShadaData EastRun-of-the-mill Ys clone
JP PC EngineOut LiveSunsoftFirst-person dungeon crawler, but in a mech!
JP PC EngineShiryou Sensen: War of the DeadFun ProjectBadass cover art, plays a lot like Zelda II
JP PC EngineThe Tower of DruagaNamcoPlays a lot like the classic arcade dungeon crawler, but stats can be increased between floors or after finding items
JP PC EngineYs IV: The Dawn of Ys (CD)Hudson SoftTechnically different from the Ys IV on SFC/other consoles