diff --git a/hosts/remus/configuration.nix b/hosts/remus/configuration.nix
index 4f75145..32124af 100644
--- a/hosts/remus/configuration.nix
+++ b/hosts/remus/configuration.nix
@@ -98,6 +98,17 @@
     package = config.boot.kernelPackages.nvidiaPackages.stable;
   };
 
+  programs.steam = {
+    enable = true;
+    gamescopeSession.enable = true;
+  };
+  programs.gamemode.enable = true;
+
+  environment.systemPackages = with pkgs; [ protonup ];
+  environment.sessionVariables = {
+    STEAM_EXTRA_COMPAT_TOOLS_PATHS = "/home/prunebutt/.steam/root/compatibilitytools.d";
+  };
+
   # Open ports in the firewall.
   # networking.firewall.allowedTCPPorts = [ ... ];
   # networking.firewall.allowedUDPPorts = [ ... ];