Start Prince of Persia by typing in "prince megahit", so you give the Prince.exe file as parameter "megahit", this will enable cheats.

Now the following cheats will be available during the game.
K = Kills all enemies on the screen.
R = Resurrects you where you last died.
+ = Increase time left.
- = Decrease time left.
Shift-L = Warps you to next level.
Shift-T = Gives you an extra life.
Shift-S = Heals a lost life.
Shift-W = Allows you to float down long drops.
Shift-N = Look at screen below the current one.
Shift-U = Look at screen above the current one.
Shift-H = Look at screen to the left of current one.
Shift-J = Look at screen to the right of current one.
Shift-B = Blocks out non-animated objects.
Shift-I = Inverts the screen.