Secret - Instant Win
Instructions - Hold down Ctrl + Shift + F10
during game play. Then you will be asked if you want to Abort, Retry or
Ignore. Choose Abort, then move any card to instantly win.
Secret - Hidden Game Modes
Instructions - In the “Game” menu choose “Select Game”. Enter -1 or -2 to activate the hidden game modes.
Secret - Show All Cards
Instructions - Edit this registry key:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Applets\Hearts and create a new String value named ZB with a Data value of 42. Start Hearts and Press Ctrl + Alt + Shift + F12 to show all the cards.