Complex sentence: In fact it was the games community that soon started clamoring for more features, and in order to differentiate themselves from the pack, some graphics card vendors heeded this call and soon started layering more and more features onto their cards.
Split into simpler sentences: In fact it was the games community that soon started clamoring for more features. In order to differentiate themselves from the pack, some graphics card vendors responded by adding more and more features onto their cards.