Minefield v0.49b (2013/09/10) is available for OS/2 and eComStation.

Minefield is a simple minesweeper clone written in qt4.
This port requires the Qt 4 libraries and libc libraries.
Link: ftp://ftp.netlabs.org/pub/qtapps/Minefield-0.49b-os2.7z
Web: http://www.konarski-wuppertal.de/andreaskw/Mienenfeld.html
Port by Elbert Pol.