Press [Esc] and enter one of the following codes to activate the corresponding

cheat function. Note: You must be playing the game with the keyboard controls.

Effect                        Code 
Refill health                 364141  
Upgrade health to next level  271543  
Maximum health                263434  
Refill magic                  221523  
Maximum magic                 5232451  
Hurt Raziel                   16443 
Pass through barriers         3661254  
Wall climbing                 538243  
Force projectile              126121  
Swim ability                  4632614  
Constrict ability             34226443  
Soul Reaver                   35822331532  
Fire Reaver                   342431623  
Make Fire Reaver              52364  
Aerial Reaver                 724451124  
Kain Reaver                   76251124  
Shift at any time             4432216213  
Force Glyph                   31534 
Sound Glyph                   2236443  
Stone Glyph                   3641322  
Water Glyph                   36432 
Fire Glyph                    4424582  
Sunlight Glyph                16122441  
Toggle active cheats          1324  

Thanks to Revolution reader Alakazam!