fixed entries

games/simulation/open_city.md

@@ -5,8 +5,12 @@ _Another 3D city simulator._
 - Home: http://www.opencity.info/
 - Download: http://www.opencity.info/en/Download.html
 - State: beta
-- Code repository: http://svn.code.sf.net/p/opencity/code/trunk/opencity/ (svn)
+- Code repository: https://svn.code.sf.net/p/opencity/code/ (svn), https://sourceforge.net/p/opencity/cvs/ (cvs)
 - Code language: C++
 - Code license: GPL-2.0
 
+https://github.com/frodrigo/opencity, https://github.com/vorot93/opencity, https://github.com/AnotherFoxGuy/OpenCity
+
+See also [OpenCityNeo](https://github.com/icecoolinux/opencityneo)
+
 ## Building

games/simulation/open_rails.md

@@ -5,7 +5,7 @@ _Train simulator for the largest collection of digital content in the world - ro
 - Home: http://openrails.org/
 - Download: http://openrails.org/download/program/
 - State: mature
-- Code repository: http://openrails.org/contribute/developing-code/ (svn)
+- Code repository: http://svn.uktrainsim.com/svn/openrails/ (svn, http://openrails.org/contribute/developing-code/)
 - Code language: C#
 - Code license: GPL-3.0
 

games/simulation/simutrans.md

@@ -2,11 +2,11 @@
 
 _A cross-platform simulation game in which the player strives to run a successful transport system._
 
-- Home: http://www.simutrans.de/start (German)
+- Home: https://www.simutrans.com/en/, http://www.simutrans.de/start (German)
 - Media: https://en.wikipedia.org/wiki/Simutrans
 - Download: http://www.simutrans.de/download
 - State: mature
-- Code repository: https://sourceforge.net/p/simutrans/code/HEAD/tree/ (svn)
+- Code repository: https://github.com/aburch/simutrans, https://svn.code.sf.net/p/simutrans/code/ (svn)
 - Code language: C++
 - Code license: Artistic License