Enter harrytriggercheat to add 15 magic beans.
For general invisibility, enter harrykoresh and harrykorwalk.
Turn On Debug Mode
To turn on debug mode, enter the following code: HarryDebugModeOn.
Press the TILDE key during the game and type ‘set engine.playerpawn bcheatsenabled true’ to activate developer mode. You need to re-enter the ‘set engine.playerpawn bcheatsenabled true’ each time the game updates the level’s objectives.
Weightless Harry, enter fly
Walk thru walls, enter ghost
Disable fly and ghost mode, enter walk
Set Harry run speed, enter setspeed