You can clear your game but, you will have to start over like it was when you first started the game
No you always have to have 1 dog at your house
Easy all you have to do is:press xrlbya all at the same time
it is up to you if you want to delete it it is notyour friends choice it is your choice
go to main menu select delete and delete it
you smash it to pieces!
THE ALL iTEMS CHEAT IS: 9214F702 00000004 E21A74BC 00000534 63000001 63000002 63000003 63000004 63000005 63000006 63000007 6300000A 6300000B 6300000C
by delete data it means delete ALL data. short answer. NO
you cant deletle nintendogs but you can simply go to the kennel and choose "donate" and then you can decide which dog you dont want anymore.
Your dog has to has to have a name to delete it but you go the dog hotel and press donate a dog.
Connect the r4 to a computer and got to the r4 games. Next find the nintendogs sav. file then delete the sav. file and now you got a new game.Hope this helps.
When you turn on your DS and click on you Nintendogs Games Hold L+R+A+B+Y+X then a message will come up and say. 'Are you sure you want to delete your data' - Click Yes. x 2
press A.B.X.Y.L+R when the screen is white and says nintendo then it will ask you if you really want to delete it and press yes!