diff --git a/pkgs/ftb.nix b/pkgs/ftb.nix
new file mode 100644
index 0000000..424eebe
--- /dev/null
+++ b/pkgs/ftb.nix
@@ -0,0 +1,81 @@
+# https://feed-the-beast.com/
+
+{ stdenv
+, autoPatchelfHook
+, fetchurl
+, jre
+, bash
+, makeWrapper
+, writeShellScriptBin
+, buildFHSUserEnv
+}:
+
+let
+  installer = fetchurl {
+    url = "https://apps.modpacks.ch/FTBApp/release/202211151621-329441ed6d-release/FTBA_unix_202211151621-329441ed6d-release.sh";
+    sha256 = "f6a25f9fd4f5c33a48620f311fcac541ddd2e2c014f1487dc2e5c1a8493007d0";
+  };
+
+  fhs = buildFHSUserEnv {
+    name = "fhs";
+    runScript = "~/FTBA/FTBApp";
+
+    targetPkgs = pkgs: with pkgs; [
+      at-spi2-atk
+      atk
+      cairo
+      nspr
+      dbus
+      fontconfig
+      freetype
+      gdk-pixbuf
+      glib
+      gtk2
+      libdrm
+      cups
+      gtk3-x11
+      harfbuzz
+      liberation_ttf
+      libjpeg
+      libpulseaudio
+      libtiff
+      libudev0-shim
+      expat
+      nss
+      libuuid
+      libv4l
+      libxml2
+      pango
+      pcsclite
+      at-spi2-core
+      pixman
+      alsa-lib
+      libglvnd
+      libxkbcommon
+      xorg.libX11
+      xorg.libXcursor
+      xorg.libXext
+      xorg.libxcb
+      xorg.libXi
+      xorg.libXinerama
+      xorg.libxkbfile
+      xorg.libXrandr
+      xorg.libXrender
+      xorg.libXScrnSaver
+      xorg.libXtst
+      xorg.libXcomposite
+      xorg.libXdamage
+      xorg.libXfixes
+      xorg.libXxf86vm
+      mesa_drivers
+      zlib
+    ];
+
+  };
+
+in
+writeShellScriptBin "ftb" ''
+  export PATH="$PATH:${jre}/bin"
+  [ -d ~/FTBA ] || bash ${installer} -q
+  ${fhs}/bin/fhs
+''