One of the infamous items from the first two Earthworm Jim games. The can of worms gives you a continue.

What makes it a bit of a legend is how it was handled in the games. In the first game, the manual stated:

The primary method of getting continues was collecting 60 fuel cells in Andy Asteroids?, but the can of worms? Well, the manual for Earthworm Jim 2 clearly stated:

    "Can of Worms: Okay, we lied to you in the first one. There was no can of worms."