Simsu had been updated to version v1.2.3 (2013/02/15).
ftp://ftp.netlabs.org/pub/qtapps/Simsu-1.2.3-os2.zip
The popular Japanese game of Sudoku.
Requires Qt4: http://svn.netlabs.org/qt4
PortPage: http://svn.netlabs.org/qtapps/wiki/QT4%20Games
Project homepage: http://gottcode.org/simsu/
Ported by Elbert Pol.
Source: OS/2 Warp News and Rumors