Complex sentence: The website began to raise money from its members for the Child's Play charity, as Cheapy was impressed by its founders' efforts, supported their effort to help children and change the negative media portrayal of gamers, and wanted to join their initiative.
Split into simpler sentences: The website began to raise money from its members for the Child's Play charity as Cheapy was impressed by its founders' efforts. He saw the charity's role in helping children as well as changing the negative media portrayal of gamers and wanted to join their initiative.