If anything's kept pace with how video games have changed over the years, it's how we interact with them. Our biggest touchpoint with virtual worlds is the gamepad and -- akin to how games themselves have evolved from simple 2D affairs into 100-hour-long labyrinths in three dimensions -- controllers have changed to accommodate that. What you'll find in the gallery below is a comprehensive look at gamepads from the past 30-plus years of gaming, including high points and missteps alike.