Wii:

1. Super Paper Mario (Nintendo)
2. Prince of Persia: Rival Swords (Ubisoft)
3. Cooking Mama: Cook Off (Majesco)
4. Wario Ware: Smooth Moves (Nintendo)
5. Sonic and the Secret Rings (Sega)

Cube:

1. The Legend of Zelda: Twilight Princess (Nintendo)
2. Paper Mario: The Thousand-Year Door (Nintendo)
3. Mario Party 7
4. Mario Kart: Double Dash
5. Disney’s Meet the Robinsons

DS:

1. Pokemon Diamond (Nintendo)
2. Pokemon Pearl (Nintendo)
3. Final Fantasy Fables: Chocobo Tales (Square Enix)
4. Puzzle Quest: Challenge of the Warlords (D3P)
5. Spectrobes (Disney Interactive)

GBA:

1. Final Fantasy VI Advance (Nintendo)
2. Pokemon Emerald (Nintendo)
3. Pokemon Fire Red (Nintendo)
4. Dogz 2 (Ubisoft)
5. Pokemon: Sapphire (Nintendo)

Source: Gamasutra