diff --git a/pkgs/games/openttd/jgrpp.nix b/pkgs/games/openttd/jgrpp.nix
new file mode 100644
index 00000000000..83a8f927694
--- /dev/null
+++ b/pkgs/games/openttd/jgrpp.nix
@@ -0,0 +1,13 @@
+{ fetchFromGitHub, openttd, ... }:
+
+openttd.overrideAttrs (oldAttrs: rec {
+  pname = "openttd-jgrpp";
+  version = "0.34.4";
+
+  src = fetchFromGitHub rec {
+    owner = "JGRennison";
+    repo = "OpenTTD-patches";
+    rev = "jgrpp-${version}";
+    sha256 = "125mgia5hgcsn8314xyiip3z8y23rc3kdv7jczbncqlzsc75624v";
+  };
+})
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ba020635053..7ffc7f77686 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -24061,6 +24061,11 @@ in
       static = true;
     };
   };
+  openttd-jgrpp = callPackage ../games/openttd/jgrpp.nix {
+    zlib = zlib.override {
+      static = true;
+    };
+  };
 
   opentyrian = callPackage ../games/opentyrian { };