User blog comment:Pandoo/What's the game you've played longest?/@comment-25131971-20140801234315

Shadow the Hedgehog - 5 - 6 Hours on most days from age 5 to 11.

Devil May Cry 3 - 4 Hours on most days from age 5 to 10.

Metroid Prime - 5 to 7 Hours on most days from age 6 to 13.

Super Metroid - 4 to 6 Hours on most days from age 5 to 12.

Metroid Prime 3: Corruption - 4 to 6 Hours on most days from age 8 to 13.

Sonic Riders - 3 to 4 Hours on most days from age 5 to 11.

Destroy all Humans 2 - 4 Hours on most days from age 5 to 9.

Godzilla Unleashed - 4 to 5 Hours on most days from age 6 to 12.

Devil May Cry - 3 to 4 Hours on most days from age 6 to 10.

Sonic Unleashed -  3 - 5 Hours on most days from age 7 to 12.