programs.lutris.steamPackage

This must be the same you use for your system, or two instances will conflict, for example, if you configure steam through the nixos module, a good value is "osConfig.programs.steam.package"

Type
null or package
Default
null
Example
"pkgs.steam or osConfig.programs.steam.package"
Declared
<home-manager/modules/programs/lutris.nix>