Complex sentence: Various third-party controllers, such as one made by Mad Catz, include extra features such as additional buttons; third-parties also manufactured arcade-style joysticks for fighting games, such as Agetech's Arcade Stick and Interact's Alloy Arcade Stick.
Split into simpler sentences: Various third-party controllers, such as one made by Mad Catz, include extra features such as additional buttons. Third-party companies also manufactured arcade-style joysticks with additional buttons for fighting games, such as Agetech's Arcade Stick and Interact's Alloy Arcade Stick.