Ivanhoe

Ivanhoe cheat codes: 
Cheat mode:
Pause game play and type "jc is the best" to enable cheat
mode. Then, press one of the following keys to activate
the corresponding cheat function.

Effect                   Key
Level skip               [N]
Kill on-screen enemies   [Delete]
Kill bonus level Boss    [Ctrl]

Alternate cheat mode:
Pause game play and type "zobinette" to enable cheat mode.
Then, press one of the following keys to activate the
corresponding cheat function.

Effect       Key
Extra life   [Comma]
Level skip   [N]