Complex sentence: The classic version had dot matrix style graphics and the same gameplay as the original "Game & Watch" handheld games, while the modern version had updated graphics, and replaced the original characters and items with ones from the Mario series.
Split into simpler sentences: The classic version had dot matrix style graphics and the same gameplay as the original "Game & Watch" handheld games. While the modern version had updated graphics, and replaced the original characters and items with ones from the Mario series.