Pyramids of Ra

The following are known Game Genie Codes for Pyramids of Ra on Nintendo Game Boy.

FA5-8EB-4C1
Energy bar does not go down when you make a move
A2A-C48-6EC + 3CA-C68-19B + FAA-C38-4C1
Only use 1 point of energy per move on the first attempt at each level instead of 3.
641-AB4-E6E + 001-ACF-E6A
Start on Level 100
2C1-ABF-E6E + 011-ACF-E6A
Start on Level 300
F41-ABF-E6E + 011-ACF-E6A
Start on Level 500