The Secrets of Mortal Kombat Mythologies

1000 Lives - GTTBHR
Just as the name says, this gives Sub-Zero 1000 lives for your enjoyment.

10 Urns of Vitality - NXCVSZ
This password gives you 10 Urns which you can use when the time arises.

View Credits - CRVDTS
Once again, the title says it all. This password allows you to view the credits.

The Ultimate Cheat Code - ZCHRRY
This code will give Sub-Zero maximum experience points, 20,000, and starts you at level 8. You can also zoom to Quan-Chi or Shinnock by pressing L1 or L2 after you die and right before the game loads to start you with another life.