Top 5 All platforms:
1. Wrath of the Lich King (PC) 140 000 copies
2. Mario Kart Wii (Wii) 77 000
3. Singstar Abba (PS2) 69 000
4. Guitar Hero 3 (PS2) 68 000
5. GTA IV (360) 66 000
Top 3 Platform by platform:
(no numbers here)
PC
1. World of warcraft: Wrath of the Lich King
2. Warhammer online: Age of reckoning
3. Age of Conan
Playstation 2
1. Singstar Abba
2. Guitar hero 3: Legends of rock
3. Singstar Svenska hits schlager
Playstation 3
1. GTA 4
2. Fifa 09
3. Guitar hero 3: Legends of rock
Xbox 360
1. GTA 4
2. Fifa 09
3. Guitar hero 3: Legends of rock
Wii
1. Mario Kart Wii
2. Wii Fit
3. Super Smash Bros Brawl
Nintendo DS
1. New super Mario Bros
2. Mario Kart DS
3. Mario & Sonic at the Olympic games
PSP
1. Ratchet & Clank: Size matters
2. GTA Vice City Stories
3. God of War: Chains of olympus
Source: http://www.dn.se/DNet/jsp/polopoly.jsp?d=2409&a=873843