|This article/section contains information of a previously confirmed feature for a game or similar media.
The original source that confirmed the subject has otherwise become obsolete, outdated or deprecated and has yet to be re-confirmed by an official modern source.
A Cannon is an object that appears in the Adventure mode of Super Smash Flash 2. It is found at the end of each level and leads the character to the boss fight. They are similar to Warp Pipes in the Airship Fortress levels of the some of Mario games.