Walking Through Walls
To enable clipping mode and grant the ability to pass through walls, change PlayerClip "1" to PlayerClip "0" and save the document. If you want to disable this mode, simply change the number back to "1."
Invincible Foes
To make your foes completely vulnerable, change AITakeDamage "1" to AITakeDamage "0" and save the document. You can revert this change at any time by setting it back to "1."
Easy Kills
To make your enemies ridiculously easy to kill, change AITakeDamage "1" to AITakeDamage "99" and save the document. You can revert this change at any time by setting it back to "1."
God Mode
You can become completely invincible by changing PlayerTakeDamage "1" to PlayerTakeDamage "0" and saving the document. You can revert this change at any time by setting it back to "1."