diff --git a/Source/Mods/AncientUrbanRuins.cs b/Source/Mods/AncientUrbanRuins.cs
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+++ b/Source/Mods/AncientUrbanRuins.cs
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+using System.Collections.Generic;
+using System.Reflection.Emit;
+using HarmonyLib;
+using RimWorld.Planet;
+using Verse;
+
+namespace Multiplayer.Compat;
+
+/// <summary>Ancient urban ruins by MO</summary>
+/// <see href="https://steamcommunity.com/sharedfiles/filedetails/?id=3316062206"/>
+[MpCompatFor("XMB.AncientUrbanrUins.MO")]
+public class AncientUrbanRuins
+{
+    #region Main patch
+
+    public AncientUrbanRuins(ModContentPack mod)
+    {
+        // Mod uses 3 different assemblies, 2 of them use the same namespace.
+
+        MpCompatPatchLoader.LoadPatch(this);
+
+        #region RNG
+
+        {
+            var methods = new[]
+            {
+                "AncientMarket_Libraray.ACM_RandomUtility:ReplaceWallAndBreakThem",
+                "AncientMarket_Libraray.ACM_SketchResolver_ACM_Resturant:ResolveInt",
+                "AncientMarket_Libraray.ACM_SketchResolver_BuildingRoom:ResolveInt",
+                "AncientMarket_Libraray.ACM_SketchResolver_BuildingRoomWithNoForklift:ResolveInt",
+                "AncientMarket_Libraray.ACM_SketchResolver_ContainerRoom:ResolveInt",
+                "AncientMarket_Libraray.ACM_SketchResolver_HoboRoom:ResolveInt",
+                "AncientMarket_Libraray.ACM_SketchResolver_StoreRoom:ResolveInt",
+                "AncientMarket_Libraray.ACM_SketchResolver_UnderRoom:ResolveInt",
+                "AncientMarket_Libraray.ComplexThreatWorker_HangingPirates:SpawnThreatPawns",
+            };
+
+            PatchingUtilities.PatchUnityRand(methods);
+        }
+
+        #endregion
+
+        #region Input
+
+        {
+            // Start trade
+            MpCompat.RegisterLambdaDelegate("AncientMarket_Libraray.BuildingTrader", nameof(Thing.GetFloatMenuOptions), 0);
+            // Start dialogue (seems unused/related feature is unfinished)
+            MpCompat.RegisterLambdaDelegate("AncientMarket_Libraray.CompDialogable", nameof(ThingComp.CompFloatMenuOptions), 0);
+            // Destroy site
+            LongEventHandler.ExecuteWhenFinished(() =>
+                MpCompat.RegisterLambdaMethod("AncientMarket_Libraray.CustomSite", nameof(WorldObject.GetGizmos), 1));
+        }
+
+        #endregion
+    }
+
+    #endregion
+
+    #region Destroy site confirmation dialog
+
+    // If multiple players have the dialog open, close the dialog if one of
+    // the players confirmed it as there's no point in having it open.
+    // For some reason, this mod uses 2 different confirmation dialogs for
+    // different sites, the vanilla confirmation dialog and their own custom one.
+
+    [MpCompatPrefix("AncientMarket_Libraray.Dialog_Confirm", "DoWindowContents")]
+    private static void CloseDialogIfSiteDestroyed(Window __instance, Site ___Site)
+    {
+        if (___Site == null || ___Site.Destroyed)
+            __instance.Close();
+    }
+
+    // AncientMarket_Libraray.Dialog_Confirm calls WorldObject.Destroy. We could
+    // sync that method, but I'd prefer not to sync Vanilla methods
+
+    [MpCompatTranspiler("AncientMarket_Libraray.Dialog_Confirm", "DoWindowContents")]
+    private static IEnumerable<CodeInstruction> ReplaceDestroyWithSyncedCall(IEnumerable<CodeInstruction> instr)
+    {
+        var target = AccessTools.DeclaredMethod(typeof(WorldObject), nameof(WorldObject.Destroy));
+        var replacement = MpMethodUtil.MethodOf(SyncedDestroySite);
+
+        foreach (var ci in instr)
+        {
+            if (ci.Calls(target))
+            {
+                ci.opcode = OpCodes.Call;
+                ci.operand = replacement;
+            }
+
+            yield return ci;
+        }
+    }
+
+    [MpCompatSyncMethod]
+    private static void SyncedDestroySite(WorldObject site)
+    {
+        // Make sure it's not already destroyed to prevent errors
+        if (!site.Destroyed)
+            site.Destroy();
+    }
+
+    #endregion
+}
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