some stuff

pkgs/default.nix

@@ -1,3 +1,4 @@
 {pkgs, ...}: {
   jdnbtexplorer = pkgs.qt6Packages.callPackage ./jdnbtexplorer {};
+  gamesand = pkgs.callPackage ./gamesand {};
 }

pkgs/gamesand/default.nix

@@ -0,0 +1,24 @@
+{
+  steamPackages,
+  symlinkJoin,
+}:
+symlinkJoin {
+  name = "gamesand";
+  paths = [
+    ((steamPackages.steam-fhsenv-without-steam.override
+      {
+        extraBwrapArgs = [
+          "--ro-bind ./files /game/files"
+          "--bind ./appdata /home/$USER"
+          "--chdir /game"
+          "--ro-bind ./start.sh /game/start.sh"
+          "--cap-add ALL"
+        ];
+      })
+    .run)
+  ];
+  postBuild = ''
+    mv $out/bin/steam-run $out/bin/gamesand
+    sed -i 's/ignored=(\/nix \/dev \/proc \/etc )/ignored=(\/nix \/dev \/proc \/etc \/home )/' $out/bin/gamesand
+  '';
+}