diff --git a/Formula/ufoai.rb b/Formula/ufoai.rb
new file mode 100644
index 0000000000..1032c37a07
--- /dev/null
+++ b/Formula/ufoai.rb
@@ -0,0 +1,63 @@
+class Ufoai < Formula
+  desc "UFO: Alien Invasion"
+  homepage "http://ufoai.org/"
+  url "git://git.code.sf.net/p/ufoai/code", :branch => "ufoai_2.5", :revision => "3e28f7cbf9f5e1cfd0fa7fdc852f833e498757c1"
+  version "2.5.0+20150216"
+
+  bottle do
+    sha256 "b136b3592e549f5d8580667fda0619004141abae21efca53871d2da78f34103e" => :yosemite
+    sha256 "47c913420a0f29c6766a4a8049c2ac721e510fdbdc0c7e04f47b098c315f9236" => :mavericks
+    sha256 "ab723bb0f061635c079f82633b2c2dc707287bb993b200bf89312224eadb68a3" => :mountain_lion
+  end
+
+  depends_on "pkg-config" => :build
+  depends_on "sdl2"
+  depends_on "sdl2_ttf"
+  depends_on "sdl2_mixer" => "with-libvorbis"
+  depends_on "jpeg"
+  depends_on "libpng"
+  depends_on "xvid"
+  depends_on "theora"
+  depends_on "gettext"
+
+  resource "data" do
+    url "https://downloads.sourceforge.net/project/ufoai/UFO_AI%202.x/2.5/ufoai-2.5-data.tar"
+    sha256 "5e706a424aff6a2ea30a4c798129d6304e897387eadf808528129b512b7dcdb0"
+  end
+
+  def install
+    ENV.deparallelize
+    ENV["TARGET_ARCH"] = MacOS.preferred_arch.to_s
+
+    (buildpath/"base").install resource("data")
+
+    inreplace "build/install_mac.mk" do |s|
+      s.gsub! /.*\$\(BINARIES_BASE\).*/, ""
+      s.gsub! /\s+copylibs-ufoai/, ""
+      s.gsub! /.*hdiutil.*/, ""
+    end
+    inreplace "build/modes/release.mk", /-falign-(loops|jumps)=\d+/, "" unless ENV.compiler == :gcc
+
+    args = %W[
+      --disable-dependency-tracking
+      --prefix=#{prefix}
+      --enable-hardlinkedgame
+      --enable-release
+    ]
+    system "./configure", *args
+    system "make"
+    system "make", "lang"
+    system "make", "create-dmg-ufoai"
+    prefix.install Dir["contrib/installer/mac/ufoai-**/UFOAI.app"]
+    bin.write_exec_script "#{prefix}/UFOAI.app/Contents/MacOS/ufo"
+  end
+
+  def caveats; <<-EOS.undent
+    Turn off GLSL shaders from video settings if you have graphics problem.
+    EOS
+  end
+
+  test do
+    system "#{bin}/ufo", "+set", "vid_fullscreen", "0", "+quit"
+  end
+end