renamed games folder to entries folder (also contained frameworks, libraries, ...) and added to the backlog

entries/duke3d.md

@@ -0,0 +1,13 @@
+# Duke3D
+
+_Remake of Duke Nukem 3D._
+
+- Home: http://icculus.org/duke3d/
+- State: beta, inactive since 2009
+- Keywords: action, commercial content, inspired by Duke Nukem 3D, multiplayer LAN, remake, requires original content, shooter
+- Code repository: http://svn.icculus.org/duke3d/trunk/ (svn)
+- Code language: C
+- Code license: GPL-2.0
+- Code dependencies: SDL
+
+## Building