Johnny Test is a video game that was released on March 29, 2011, in North America for the Nintendo DS console, based on the TV series Johnny Test. It is the first and only Johnny Test video game to be released on a dedicated video games console.
In the game, Johnny tampers with Susan and Mary's "Real Life Simulator" machine, inadvertently allowing Wacko access to the machine, who uses it to turn the town of Porkbelly into a Medieval city. If that weren't enough, Brain Freezer is holding the twins' beloved Gil hostage. Johnny and Dukey will push all the limits with numerous laboratory gadgets trying to fix this experiment gone wrong. They will have to break some rules in order to stop the bad guys and save Porkbelly – all before his parents find out.