Um, New Super Mario Bros. should be good, considering it has that "hold your hand" help throughout the entire game. Besides, everyone loves Mario.
Young'uns probably won't be able to appreciate gems like World of Goo, but maybe older NES/SNES classics like Earthbound (for the humor), Donkey Kong Country (monkeys in ties, shenanigans.)
Young'uns probably won't be able to appreciate gems like World of Goo, but maybe older NES/SNES classics like Earthbound (for the humor), Donkey Kong Country (monkeys in ties, shenanigans.)