These are a compilation of cheat codes I found on different old websites

Descriptions of each ones are self explanatory

• Infinite Health 0206f508 e5970540 0206f50c e587053c

• Never Die 0206f50c e3a00001

• Max Upgrade Points 0204384c e3a01302 02043850 e58418d8 02043854 e58d1004

• Infinite Breath 02071604 e3a01919

• Moon jump 02095b78 e0410000 94000130 fffd0000 02095b78 e3a00a01 d2000000 00000000

• Super Moon jump 02095b78 e0410000 94000130 fffd0000 02095b78 e3a00a02 d2000000 00000000

• Fast Kills 02064f98 e3a02000 02064fa4 e5852540

Of course make sure to disable them before doing a legit run.

Additional Reference

• http://uk.codejunkies.com/search/codes/The-Legend-of-Spyro--The-Eternal-Night_Nintendo-DS_17826310-17___.aspx