I don't know, but you can at Play&Trade.
game spot
Yes. You can trade game boy games at game stop. You will get in store credit or cash for each game you trade in.
Yes at a game store you can trade it in more money or games
You buy them...Get them from game stop and game spot and anywhere you can buy games you can get them.
Yes, EB Games offers a trade-in program where you can trade games for store credit or other games. The value of your trade will depend on the game's condition and current demand. It's best to check with your local EB Games for specific policies and available titles for trade.
You can trade the game for the a dollar or so. -Abby Marie*
No.
You can't trade between game boy games on a DS.
Game stop
yes
You can use any games you have bought from anywhere and trade them into gamestop to get Game stop in store credits to purchase other games.
Yes. You can also trade them to GAME