Option 1: RetroArch netplay
Rollback + flexible, updated cores
Use RetroArch with the FinalBurn Neo core for UMK3 arcade.
Use snes9x, picodrive and pcsx_rearmed cores for SNES,GEN and PSX versions.
Use snes9x, picodrive and pcsx_rearmed cores for SNES,GEN and PSX versions.
- Download RetroArch: Get the latest build and installer.
- Install and launch: Open RetroArch after installation.
- Install the core: Main Menu → Online Updater → Core Downloader → install FinalBurn Neo (fbneo).
- Add the ROM: Place
umk3.zipin your ROMs folder. Keep anyumk3p.zip/umk3uk.zip/umk3te.zipfiles alongside the base ZIP for special editions. - Load the game: Main Menu → Load Content → select
umk3.zip→ choose the FBNeo core. - Configure controls: Settings → Input → Port 1 Binds. Map HP, LP, HK, LK, Block, Run. Save configuration.
- Enable netplay: Main Menu → Netplay. Ensure both players use the same RetroArch version, FBNeo core, and identical ROM set.
- Host or join:
- Host: Load UMK3 → Netplay → Start Netplay Host.
- Join: Netplay Lobby → refresh → pick a UMK3 room to join.
- Browse Online MK Games: Visit the Lobby on umk3.remz.ca. - Optional tweaks: Settings → Latency → set Rollback frames to your preference; enable Run-Ahead only for offline play.
- Chat in game: Use the ~ key to the left of the 1 key on your keyboard
If you experience issues connecting you may prefer to use a relay server from the netplay lobby at umk3.remz.ca.