diff --git a/common.nix b/common.nix
index 1a89862..ac47cfc 100644
--- a/common.nix
+++ b/common.nix
@@ -19,6 +19,7 @@
     # Services #
     ./services/server-permissions.nix
     ./services/game-servers.nix
+    ./services/dr-server.nix
     ./services/qbittorrent-nox.nix
     ./services/nginx.nix
     ./services/go2rtc.nix
diff --git a/services/dr-server.nix b/services/dr-server.nix
new file mode 100644
index 0000000..548e6ac
--- /dev/null
+++ b/services/dr-server.nix
@@ -0,0 +1,69 @@
+{ config, pkgs, lib, ... }:
+let
+  wine = pkgs.wineWowPackages.stable;
+  dataDir  = "/var/lib/dr-server";
+  buildDir = "${dataDir}/Build";
+  prefix   = "${dataDir}/wine";
+  logDir   = "${dataDir}/log";
+in
+{
+  config = lib.mkIf (config.networking.hostName == "FredOS-Mediaserver") {
+    users.users.dr-server = {
+      isSystemUser = true;
+      group = "dr-server";
+      home = dataDir;
+      description = "Dungeon Runners Reborn server";
+    };
+    users.groups.dr-server = {};
+
+    systemd.tmpfiles.rules = [
+      "d ${dataDir}  0750 dr-server dr-server -"
+      "d ${buildDir} 0750 dr-server dr-server -"
+      "d ${prefix}   0750 dr-server dr-server -"
+      "d ${logDir}   0750 dr-server dr-server -"
+    ];
+
+    ## <----- DUNGEON RUNNERS REBORN ----> ##
+    # Windows-only Unity build run headless under Wine. Initializes a
+    # Win64 prefix on first boot via wineboot, then launches the exe
+    # with Unity's batch flags. Only the friend's exe is in this tree —
+    # the matching client is needed on connecting machines.
+    systemd.services.dr-server = {
+      description = "Dungeon Runners Reborn (Wine, headless Unity)";
+      after = [ "network-online.target" ];
+      wants = [ "network-online.target" ];
+      wantedBy = [ "multi-user.target" ];
+
+      path = [ wine pkgs.coreutils ];
+      environment = {
+        WINEPREFIX = prefix;
+        WINEARCH = "win64";
+        WINEDEBUG = "-all";
+        HOME = dataDir;
+        DISPLAY = "";
+      };
+
+      preStart = ''
+        if [ ! -f "${prefix}/system.reg" ]; then
+          ${wine}/bin/wineboot --init
+          ${wine}/bin/wineserver -w
+        fi
+      '';
+
+      unitConfig.ConditionPathExists = "${buildDir}/DR_Server.exe";
+
+      serviceConfig = {
+        Type = "simple";
+        User = "dr-server";
+        Group = "dr-server";
+        WorkingDirectory = buildDir;
+        ExecStart = "${wine}/bin/wine64 DR_Server.exe -batchmode -nographics -logFile ${logDir}/server.log";
+        Restart = "on-failure";
+        RestartSec = "10s";
+      };
+    };
+
+    networking.firewall.allowedTCPPorts = [ 2110 2603 2604 2605 2606 ];
+    networking.firewall.allowedUDPPorts = [ 2110 2603 2604 2605 2606 ];
+  };
+}