Nintendo Wii

North America:
1. Super Mario Galaxy 2 (Nintendo)
2. New Super Mario Bros. Wii (Nintendo)
3. Just Dance (Ubisoft)
4. Lego Harry Potter: Years 1-4 (Warner Bros.)
5. Mario Kart Wii (Nintendo)

Japan:
1. Dragon Quest Monsters: Battle Road Victory (Square Enix)
2. Wii Party (Nintendo)
3. Super Mario Galaxy 2 (Nintendo)
4. Xenoblade (Nintendo)
5. Wii Fit Plus with Balance Board (Nintendo)

UK:
1. Dance on Broadway (Ubisoft)
2. Super Mario Galaxy 2 (Nintendo)
3. Just Dance (Ubisoft)
4. Lego Harry Potter: Years 1-4 (Warner Bros.)
5. Wii Fit Plus with Balance Board (Nintendo)

Nintendo DS

North America:
1. Dragon Quest IX: Sentinels of the Starry Skies (Nintendo)
2. Mario Kart DS (Nintendo)
3. Lego Harry Potter: Years 1-4 (Warner Bros.)
4. Toy Story 3 (Disney)
5. New Super Mario Bros. (Nintendo)

Japan:
1. Fire Emblem: Shin Monshou no Nazo Hikari to Kage no Eiyuu (Nintendo)
2. Tokimeki Memorial Girls Side 3rd Story (Konami)
3. Odoru Daisousasen The Game: Sensuikan ni Sennyuu Seyo! (Bandai Namco)
4. Love Plus+ (Konami)
5. Inazuma Eleven 3: Sekai e no Chousen!! Bomber (Level 5)

The Big Five is the top five selling games of the week, according to Amazon.