added new entries

games/action/_toc.md

@@ -1,6 +1,7 @@
 # Action/Arcade
 
 [comment]: # (start of autogenerated content, do not edit)
+- **[Armagetron Advanced](armagetron_advanced.md)** (C++, GPL-2.0, mature)
 - **[Astromenace](astromenace.md)** (C++, C, GPL-3.0, mature)
 - **[Boulder Dash](boulder_dash.md)** (Java, MIT, mature, inactive since 2015)
 - **[Cabbages and Kings](cabbages_and_kings.md)** (Python, MIT, mature)
@@ -12,7 +13,6 @@
 - **[MechCommander 2 Omnitech](mechcommander2_omnitech.md)** (C++, MPL, beta, inactive since 2013)
 - **[Open Sonic](open_sonic.md)** (C, GPL-2.0, beta)
 - **[Open Zelda](open_zelda.md)** (C++, zlib, beta)
-- **[Pingus](pingus.md)** (C++, GPL-3.0, mature)
 - **[Red Eclipse](red_eclipse.md)** (C++, zlib, mature)
 - **[Rocks'n'Diamonds ](rocks_and_diamonds.md)** (C, GPL-2.0, mature)
 - **[Secret Mario Chronicles](secret_mario_chronicles.md)** (C++, GPL-3.0, mature, inactive since 2009)

games/action/armagetron_advanced.md

@@ -0,0 +1,15 @@
+# Armagetron Advanced
+
+_Simple action game modeled after the lightcycle sequence of the movie Tron._
+
+- Home: http://www.armagetronad.org/, https://sourceforge.net/projects/armagetronad/, https://en.wikipedia.org/wiki/Armagetron_Advanced, https://sourceforge.net/projects/armagetron/
+- State: mature
+- Download: http://www.armagetronad.org/downloads.php
+- Keywords: snake-like
+- Code repository: https://svn.code.sf.net/p/armagetronad/code/ (svn)
+- Code language: C++
+- Code license: GPL-2.0
+
+## Building
+
+

games/action/pingus.md

@@ -1,18 +0,0 @@
-# Pingus
-
-_Lemmings(tm)-like puzzle game._
-
-- Home: https://pingus.seul.org/index.html
-- State: mature
-- Download: https://pingus.seul.org/download.html
-- Platform: Windows, Linux, macOS
-- Keywords: puzzle
-- Code repository: https://gitlab.com/pingus/pingus.git
-- Code language: C++
-- Code license: GPL-3.0
-- Code dependencies: GTK
-
-
-## Building
-
-- Build system: CMake