Press [Alt] + [F12] to display the key
prompt. Type wlrnwhdakf or doomsday to enable cheat
mode. The phrase "Cheatcode Enable" will appear to confirm
correct code entry. Press [Alt] + [F12] followed
by [Enter], then type one of the following codes to activate
the corresponding cheat function.

Code
Enable one hit kills onekill on
Disable one hit kills onekill off
Extra money money <1 - 999>
Disable timer time off
Enable timer again time on
Enable invincibility invulnerable on
Disable invincibility invulnerable off
Adjust character's intelligence int <1 - 999>
Adjust character's dexterity dex <1 - 999>
Adjust character's damage strength hit <1 - 999>
Adjust character's strength str <1 - 999>