Windows Minesweeper

Windows ver. 3.0, 3.1, 3.11
Cheat:  There is a indicator hidden on the screen
that will tell you whether a space is safe.
To turn it on, type:
‘xyzzy’, then press [ENTER], then [LEFT-SHIFT]
The pixel to look for is in the upper-left of the
screen and therefore can only be seen if you can see
desktop wallpaper there.
Windows ver. 3.1, 95
After begining a new game hold Left & Right mouse buttons.
Hold it while you didnt see a letter ‘O’.
Press ‘Esc’. Timer is stoped