Setup guide

RiceMod on Linux

How to run RiceMod in LOCKDOWN Protocol on Linux.

RiceLauncher runs natively on Linux. The game itself runs through Proton, and the launcher finds the game’s Proton prefix on its own, so there’s nothing to set up in Steam.

Make sure you have a legitimate copy of LOCKDOWN Protocol purchased from Steam before you begin.

Download for Linux

Setup

  1. Play the game through Proton

    LOCKDOWN Protocol is a Windows game, so Steam plays it with Proton. Any Proton build that runs the game works, Proton-GE included. If Steam won’t install or start it, turn on Enable Steam Play for all other titles in Steam → Settings → Compatibility.

  2. Download RiceLauncher

    Download the Linux launcher and put it somewhere easy to find. Make it executable with chmod +x RiceLauncher, or tick Allow executing file as program in its file properties.

  3. Start the game

    Launch LOCKDOWN Protocol from Steam and get to the main menu (or a lobby).

  4. Load RiceMod

    Run RiceLauncher (double-click it, or ./RiceLauncher in a terminal). Pick a branch and press Load. It finds the running game and loads RiceMod into it through the game’s own Proton.

    Once RiceMod is loaded, press Tab in-game to open the overlay.

Troubleshooting

If the launcher says Lockdown Protocol isn’t running, start the game first and press Load again.

RiceLauncher updates itself by replacing its own file, so keep it in a folder you can write to. If it stops opening after an update, download it again from ricemod.com.

Thanks to beans, whose SteamTinkerLaunch guide got RiceMod running on Linux before there was a Linux launcher.

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