Star Fox Adventures Cheats

Go to center of thorntail and buy a ball from the green lady thing who
sells you stuff. then once you have bought the ball, play catch with
tricky, with it , after a while you will see that its color has changed. 
(when i was playing it went from a pinkish color to a dark blue!!!)

To access cheat mode, find a well, like the one in the Sharpclaw's shop, and feed it 20 scarabs. It will give you a cheat token.
Take the token to the Warpstone, and choose maze when he asks where you want to go. Find a well in the maze and give it your token by accessing your inventory with the C control stick. The well will give you either a hint or cheat.
To access the cheat, save, and go to the start screen and choose options. Then choose your cheat!

Center of ThornTail Shop - Pay 20 - Credits
Behind BombSpore Patch in Ice Mountain - Pay 20 - Gives you Sound Test
Snowhorn Wastes - Swim to the end of the river to find the well.
Moon Mountain Pass - Plant a Moon Seed in front of the second Krazoa shrine.
Lightfoot Village - Become a member of the Lightfoot tribe. When you run across a distressed mother who says her children are underground, help her out by finding them for her. Once you get them out of the underground, she'll help you find the well.
Cape Claw - Use the Portal Device to take control of the cannon, shoot at the platforms near the starting point. Explore the holes you created to find the well.
Volcano Force Point - Take Moon Seeds back to the Temple (after snagging the third Spell Stone). Drop down next to the second gate and plant the Moon Seed, and use it to get to the well.
Ocean Force Point - Take the Portal Device to the temple (after getting the fourth Stone). Go past the elecrified floor to the portal door, through which you will find the well.

Buy tokens in the center of Thorntail for 20 scarabs. Now take the tokens to the maze guarded by the huge Stone Guard above the waterfall. Find the well and throw the token in with the c stick. See what cheat you unlocked by going to the main menu.