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Super Mario World 0.15.6
- Adds Netplay to the standard Super Mario World launcher and connects it to the shared account and lobby backend.
- Online play requires Discord sign-in. There is no guest fallback for online rooms. LAN / Direct IP remains available without signing in.
- Updates recomp-ui and recomp-net, including current lobby, account and ICE transport support.
- Keeps the native simultaneous co-op mod, adaptive widescreen, Falcon helper and opt-in Lua scripting in the standard package.
Open Netplay → Online Netplay, sign in with Discord, then choose Host Lobby and Create. Both players need this build. For simultaneous co-op, enable the native co-op mod and select 2 Player in the original game menu.
Validation covers release builds, unsigned online connection rejection, and shared LAN hosting/rematch tests. Live Discord completion and an Internet-hosted lobby have not yet been verified in this pass.
Supply your own Super Mario World (USA) ROM. Preserve your existing saves/, keybinds.ini, configuration and netplay_secret when upgrading. Credentials and ROMs are not included in the downloads.