I'd give 10/10 to a bunch of recent games.
2014: Mario Kart 8
2013: The Legend of Zelda: A Link Between Worlds
2012: Xenoblade Chronicles
2010: Super Mario Galaxy 2
2007: BioShock
2005: Resident Evil 4, Psychonauts
2004: Half-Life 2, Metal Gear Solid 3
2002: Metroid Prime
2001: Halo: Combat Evolved, Ico