Cult cheats and cheat codes for PC

Maximum Health 
While playing the game, type in "ZackIsBack" to regain all lost health.

Cheat:
This bug takes advantage of task switching and generally requires
another active window (i.e. a folder or notepad) to be open.
Using this trick, the character can walk through walls, bushes,
and water. Although he cannot walk through key holes, the
character can easily walk though the walls/water/bushes
that surround the key holes.

Step 1. 
Press and hold the alt key.

Step 2. 
Press and hold an arrow key.

Step 3. 
Tap (and release) the tab key.

Step 4. 
Release the arrow key (this step is not really necessary).

Step 5. 
Release the alt key when the trick is completed. You may 
need to switch back to the game window by pressing alt+tab  
or clicking the game window in the start menu.  

Step 6. 
Steps 2 and 3 must be executed before the character touches 
attempting to cross through.