Top 10 video games of 2011
15-Feb
Portal 2 (Valve, for the Xbox 360, PlayStation 3, PC): It's based on a simple game mechanic: blasting holes and jumping through them. Its three main characters are mostly disembodied voices. It's essentially a series of abstract puzzles, and yet, "Portal 2" delivers one of the year's most satisfying - and malevolently funny - stories. (AP)