moved the entries up one folder, added the folder to the keywords

games/openclonk.md

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+# OpenClonk
+
+_2D action game in which the player controls small but witty and nimble humanoid beings._
+
+- Home: https://www.openclonk.org/
+- Media: https://en.wikipedia.org/wiki/OpenClonk
+- State: mature 
+- Download: https://www.openclonk.org/download/
+- Platform: Windows, Linux
+- Keywords: action
+- Code repository: https://github.com/openclonk/openclonk.git
+- Code language: C, C++
+- Code license: ISC
+
+## Building
+
+- Build system: CMake