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

games/enigma.md

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+# Enigma
+
+_Puzzle game based on Oxyd._
+
+- Home: http://www.nongnu.org/enigma/, https://sourceforge.net/projects/enigma-game/
+- Media: https://en.wikipedia.org/wiki/Enigma_(2007_video_game)
+- State: mature
+- Download: http://www.nongnu.org/enigma/download.html#stable
+- Platform: Windows, Linux, macOS
+- Keywords: puzzle
+- Code repository: https://github.com/Enigma-Game/Enigma.git, https://svn.code.sf.net/p/enigma-game/source/ (svn)
+- Code language: C, C++
+- Code license: GPL-2.0
+
+Inspired by Oxyd.
+
+## Building
+
+- Build system: Autoconf
+