The game has been tested in Internet Explorer 5 and 6, Netscape 6 and 7 and Mozilla 1.2.
Due to different CSS implementations in the browsers, the game looks slightly different in Gecko browsers and IE. Functionality is exactly the same in all browsers.
Jun 2002: original version released
Mar 2003: stylesheet updated for Gecko browsers
Sep 2003: some minor changes and updates for new look website
Oct 2003: more minor changes and updates for new look website
Nov 2003: game now valid HTML 4.0 transitional
Mar 2005: implemented right-click to mark bombs
Mar 2005: added legend (appears after a losing round)