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games/simulation/open_transport_tycoon.md

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+# Open Transport Tycoon
+
+_OpenTTD is an open source simulation game based upon the popular Microprose game "Transport Tycoon Deluxe"._
+
+- Home: http://www.openttd.org/en/
+- Wikipedia: https://en.wikipedia.org/wiki/OpenTTD
+- Download: http://www.openttd.org/en/download-stable
+- State: mature
+- Code: https://svn.openttd.org/ (svn), https://github.com/OpenTTD/OpenTTD (sync)
+- Language(s): C++
+- License: GPL-2.0
+
+## Building
+
+Uses Autoconf