Magi-Nation Cheats, Codes and Tips:
Go to the item shop in Vash Naroom, and buy the Strength Gem for 5 animite and then sell it back to him, he will buy it for 18 animite, so you get a profit of 13 animite, repeat this till you get 999 animite
To unlock the secret start, you must have beaten the Fifth Shadow Geyser (with at least one extra Star Key), and beaten Agram. Without turning off the Gameboy, in the circular room, kick the box in the bottom to reveal a secret stairway. Go into the next room and talk to the man in the room to unlock a secret start!