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Gamemode is a daemon/lib combo for Linux that allows games to request a set of optimisations be temporarily applied to the host OS and/or a game process.


Install the gamemode and lib32-gamemode packages.


Create and configure a gamemode.ini file. An example gamemode.ini file can be found here. Save it in /etc/, $HOME/.config/ or /usr/share/gamemode/.

You may want to make sure that desiredgov is set to performance and maybe increase the renice to 10 or so for higher priority for your game.


To run games with gamemode start it like this:

$ gamemoderun ./game

When you have started your game you can verify that gamemode is running with the command:

$ gamemoded -s


To make sure Steam starts a game with gamemode, right click the game, select Properties..., then Launch Options and enter:

gamemoderun %command%