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games/strategy/unknown_horizons.md

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+# Unknown Horizons
+
+_A 2D realtime strategy simulation with an emphasis on economy and city building._
+
+- Home: http://unknown-horizons.org/
+- Media: https://en.wikipedia.org/wiki/Unknown_Horizons
+- Download: http://unknown-horizons.org/downloads/
+- State: beta, mature (inactive since)
+- Keywords: SP, TBS
+- Code: https://github.com/unknown-horizons/unknown-horizons
+- Language(s): Python
+- License: GPL-2.0
+
+Uses the FIFE engine.
+
+## Building
+