Knack
LBP3
SingStar
Putty squad
Arguably even the playroom could be seen as a more casual facing experience.
And thats ignoring the console exclusive indies.
Those games don't get any press, sales, or pop culture traction.
Their influence is pretty vastly overshadowed by kids/family titles that are multiplatform anyway (LEGO, Just Dance, Angry Birds, Minecraft, Skylanders, Disney Infinity). Minecraft is the only king maker that might be an exclusive, but we need to see how that cookie crumbles.