Complex sentence: KnowWonder Digital Entertainment is a video game company, founded in 1998 and produced Disney games like Finding Nemo and Disney's Brother Bear for the PC and Nickelodeon games like for the PC.
Split into simpler sentences: KnowWonder Digital Entertainment is a video game company that was founded in 1998. It produced Disney games like Finding Nemo and Disney's Brother Bear for the PC and Nickelodeon games like for the PC.