Next-Gen reports, Sight Training leads a Nintendo platform only top five comprised of three DS and two Wii titles.
The joint best represented system is PlayStation 3, with first-party title Uncharted, Ubisoft's Assassin's Creed and Activision's Call of Duty 4 all making the top ten for the week ended February 3.
01. Sight Training (DS)
02. Mario & Sonic at the Olympic Games (Wii)
03. Bratz: 4 Real (DS)
04. Ghost Squad (Wii)
05. More Brain Training (DS)
06. Smackdown! vs. Raw 2008 (PS2)
07. Uncharted: Drake's Fortune (PS3)
08. Assassin's Creed (PS3)
09. Call of Duty 4: Modern Warfare (360)
10. Call of Duty 4: Modern Warfare (PS3)