imports from backlog, synchronization with osgameclones

entries/javascript_graphic_adventure_maker.md

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+# JavaScript Graphic Adventure Maker
+
+_Point and click/touch game adventures engine._
+
+- Home: https://jsgam.sourceforge.io/, https://sourceforge.net/projects/jsgam/
+- State: mature
+- Download: https://sourceforge.net/projects/jsgam/files/
+- Platform: Web
+- Keywords: adventure, game engine
+- Code repository: https://github.com/kreezii/jsgam.git, https://svn.code.sf.net/p/jsgam/code/ (svn)
+- Code language: JavaScript
+- Code license: MIT
+
+## Building
+