But some controllers have been around for a long, long time. The ColecoVision was released in 1982 and discontinued in 1985. That means that any official controllers out there are 28-31 years old. If they haven't been cleaned (and honestly, who cleans their controllers?), they're probably pretty gross by now. And let's face it, they pretty much combine video game controllers with remote controls. So let's clean one.
Step 1: Survey the Grime
Step 2: The Equipment
You'll also want some dish soap and a container of some sort to soak parts in.