When two competitive gamers named Charlie and Jimmy receive a mysterious cartridge in the mail, inserting it triggers an unexpected and terrifying consequence: both boys are pulled directly into the digital world contained within. A malevolent entity called the Critic has engineered their entrapment, forcing them to navigate a series of hostile dream-themed environments spanning four distinct eras—a medieval realm, an ancient Egyptian setting, a prehistoric landscape, and a futuristic domain. With their only escape contingent on survival and progress, the pair must overcome the dangers and challenges lurking across these disparate worlds while contending with the Critic's influence as they fight their way back to reality.