diff --git a/default.nix b/default.nix
index e0cd7de..e9d44a6 100644
--- a/default.nix
+++ b/default.nix
@@ -9,7 +9,7 @@ let
     xPlaneEnv = callPackage ./x-plane { xplanePathStr = "/home/games/xplane";
       addons = [ headshake beautifulRoads samBasic samGlobalTrees flyWithLua vividSky airportEnvHD betterLights extendedNightLights toLissA321 ]; };
     xPlane12Env = callPackage ./x-plane { xplanePathStr = "/home/games/xplane12"; name = "x-plane12-env";
-      addons = [ x-world-vegetation ]; };
+      addons = [ x-world-vegetation x-world-europe ]; };
     xPlaneSDK = callPackage ./x-plane/sdk.nix {};
     ortho4xp = callPackage ./x-plane/ortho4XPWrapper.nix { orthoPathStr = "/home/games/ortho4xp"; };
 
@@ -29,6 +29,7 @@ let
 
     # X-Plane 12
     x-world-vegetation = callPackage ./x-plane/simHeaven/x-world-vegetation.nix {};
+    x-world-europe = callPackage ./x-plane/simHeaven/x-world-europe.nix {};
 
     pdfchain = callPackage ./pdfchain { };
     prism = callPackage ./prism.nix {};
diff --git a/x-plane/addon.nix b/x-plane/addon.nix
index 4933609..7e9d45e 100644
--- a/x-plane/addon.nix
+++ b/x-plane/addon.nix
@@ -1,9 +1,9 @@
 { stdenv, requireFile, unzip, p7zip }:
 { pname
 , version
-, fname
-, sha256
-, forumlink
+, fname ? null
+, sha256 ? null
+, forumlink ? null
 , passthru ? {}
 , ... }@args:
 
diff --git a/x-plane/simHeaven/x-world-europe.nix b/x-plane/simHeaven/x-world-europe.nix
new file mode 100644
index 0000000..f7676ff
--- /dev/null
+++ b/x-plane/simHeaven/x-world-europe.nix
@@ -0,0 +1,94 @@
+{ stdenv
+, lib
+, mkXPlaneAddon
+, impureSrcPath ? "/home/games/xplane-scenery/simHeaven_X-World_Europe"
+# Disable to improve frame rate
+, enableDetails ? true
+# dito
+, enableExtras ? true
+# Replace scenery objects with null-objects that are covered by ortho scenery
+, useOrtho ? true
+# Replace default tiles for regions with poor OSM data quality (e.g. remote forests not showing)
+# example: [ "+38+001" "+71-009" ]
+, replaceTiles ? [ ]
+}:
+let
+  inherit (lib) concatStringsSep optional;
+  dirName = "simHeaven_X-World_Europe";
+  linkDirs = concatStringsSep " " ([
+    "${dirName}-0-exclusions"
+    "${dirName}-1-vfr"
+    "${dirName}-2-regions"
+    "${dirName}-5-footprints"
+    "${dirName}-6-scenery"
+    "${dirName}-7-forests"
+    "${dirName}-8-network" ]
+  ++ optional enableDetails "${dirName}-3-details"
+  ++ optional enableExtras "${dirName}-4-extras");
+
+  tiles = concatStringsSep " " replaceTiles;
+in mkXPlaneAddon {
+  pname = "x-world-europe";
+  version = "1.1";
+  src = "";
+  buildCommand = ''
+    mkdir -p "$out"
+    touch "$out/installed"
+  '';
+
+  passthru = {
+    build = "";
+    prepare = ''
+      test -d "${impureSrcPath}"
+      for f in ${linkDirs} ; do
+        mkdir "$XPLANEPATH/Custom Scenery/$f"
+        for j in "${impureSrcPath}/$f"/* ; do
+           ln -s "$j" "$XPLANEPATH/Custom Scenery/$f/$(basename "$j")"
+        done
+      done
+      if [ "${toString useOrtho}" = 1 ]; then
+        f="$XPLANEPATH/Custom Scenery/${dirName}-6-scenery/library.txt"
+        rm "$f"
+        ln -s "${impureSrcPath}/${dirName}-6-scenery/library - orthos.txt" "$f"
+      fi
+      # In case we want to replace some tiles, link every tile indivdually
+      if [ -n "${tiles}" ]; then
+        rm "$XPLANEPATH/Custom Scenery/${dirName}-7-forests/Earth nav data"
+        for f in "${impureSrcPath}/${dirName}-7-forests/Earth nav data"/* ; do
+          mkdir -p "$XPLANEPATH/Custom Scenery/${dirName}-7-forests/Earth nav data/$(basename "$f")"
+          for k in "$f"/* ; do
+            ln -s "$k" "$XPLANEPATH/Custom Scenery/${dirName}-7-forests/Earth nav data/$(basename "$f")"
+          done
+        done
+        for f in ${tiles} ; do
+          # bash-ism, transform +HH+LLL -> +H0+LL0
+          d=''${f:0:2}0''${f:3:3}0
+          s="${impureSrcPath}/${dirName}-7-forests/Earth nav data - osm+autogen/$d/$f.dsf"
+          t="$XPLANEPATH/Custom Scenery/${dirName}-7-forests/Earth nav data/$d/$f.dsf"
+          if [ -e "$s" ]; then
+            rm "$t"
+            ln -s "$s" "$t"
+          else
+            printf "Warning: Replacement tile not found %s\n" "$f" >&2
+          fi
+        done
+      fi
+      # Update scenery_packs.ini
+      (
+        cd "$XPLANEPATH"
+        k=
+        sed -i -e '/^SCENERY_PACK Custom Scenery\/${dirName}-.*$/d' 'Custom Scenery/scenery_packs.ini'
+        sed -i -e "/^SCENERY_PACK Custom Scenery\/simHeaven_X-World_Vegetation_Library/i\
+        $(for f in ${linkDirs} ; do
+            printf "''${k}SCENERY_PACK Custom Scenery/%s/" "$f"
+            k='\\n'
+          done)" 'Custom Scenery/scenery_packs.ini'
+      )
+    '';
+    revert = ''
+      for f in ${linkDirs} ; do
+        rm -r "$XPLANEPATH/Custom Scenery/$f"
+      done
+    '';
+  };
+}
diff --git a/x-plane/simHeaven/x-world-vegetation.nix b/x-plane/simHeaven/x-world-vegetation.nix
index 3f532bb..2ac5d4b 100644
--- a/x-plane/simHeaven/x-world-vegetation.nix
+++ b/x-plane/simHeaven/x-world-vegetation.nix
@@ -28,6 +28,19 @@ mkXPlaneAddon {
         ln -s "$f" "${addonPath}/$(basename "$f")"
       done
       ln -s "$XPLANEPATH/Resources/default scenery/1200 forests" "${addonPath}/1200 forests"
+
+      (
+        cd "$XPLANEPATH"
+        if grep -q -E 'Custom Scenery/yOrtho4XP_Overlays' 'Custom Scenery/scenery_packs.ini' ; then
+          sed -i -e '/^SCENERY_PACK Custom Scenery\/${dirName}\/$/d' 'Custom Scenery/scenery_packs.ini'
+          sed -i -e "/^SCENERY_PACK Custom Scenery\/yOrtho4XP_Overlays/i\
+      SCENERY_PACK Custom Scenery\/${dirName}/" 'Custom Scenery/scenery_packs.ini'
+        else
+          sed -i -e '/^SCENERY_PACK Custom Scenery\/${dirName}\/$/d' 'Custom Scenery/scenery_packs.ini'
+          sed -i -e '$a\
+      SCENERY_PACK Custom Scenery\/${dirName}/' 'Custom Scenery/scenery_packs.ini'
+        fi
+      )
     '';
     revert = ''
       if [ -d "${addonPath}" ]; then