There are several places one can find the Go Game. The Go Game can be purchased at the official Go Game website or online at Amazon. The prices start at around $20 on Amazon.
go to game
go to buy it at market
go to a softball game
go to www.exclusivewire.webs.com, and then check out the site for all game cheats or go to google search on homepage to find you anwser.
go to the Skulduggery Pleasant website, go to extras then click 'play the game'.
go in google
in the 1st cave you go into in the game
go to gameplus
Go to game or gamestation and go to the preowned section
Just go to the site, find the game and order and pay for it or go to the store and do the same
To find your game library on the xbox, just go to "my xbox" and go to the right until you see the library
My advice to you is to go on cheatplanet.com. The should be able to help you find out secrets on your gameboy color game.