Wii :
1.The Legend of Zelda - Twilight Princess -
2.Okami
3.Super Smash Bros Brawl
4.Super Mario Galaxy
5.Mario Kart
sorry but Zack & Wiki is also great.
DS :
1.The Legend of Zelda - Phantom Hourglass -
2.Jump Ultimate Star
3.Naruto Shinobi Retsuden II
4.CastleVania - Dawn of Sorrow -
5.Super Mario 64 DS.
sorry again but there's still great games MK DS, Mario Party, Mario and Sonic ..etc..