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

games/open_game_engine.md

@@ -0,0 +1,16 @@
+# Open Game Engine
+
+_Game engine and editor._
+
+- Home: http://oge.sourceforge.net/wiki/index.php/Main_Page, https://sourceforge.net/projects/oge/
+- State: beta, inactive since 2008 
+- Download: https://sourceforge.net/projects/oge/files/
+- Platform: Windows
+- Keywords: framework, game editor, game engine
+- Code repository: https://git.code.sf.net/p/oge/git, https://svn.code.sf.net/p/oge/svn/ (svn), http://oge.cvs.sourceforge.net (cvs)
+- Code language: C++
+- Code license: LGPL-2.1
+
+## Building
+
+- Build system: CMake