Charlie and the Chocolate Factory video games game takes place in Willy Wonka's chocolate factory where the Oompa Loompas help the player through each level. By giving them commands Charlie finishes each challenge and progresses through the game. Each Oompa Loompa specialises in different tasks, such as harvesting, welding, and electrical work. Candy is scattered throughout the levels and when collected it boosts Charlie's energy. Each level is very similar to the plot in the 2005 movie. For example, Charlie must help Willy Wonka remove Augustus Gloop from the pipe above the chocolate river. He must roll Violet Beauregarde to the Juicing Room and juice her. When
Willy Wonka & the Chocolate Factory to buy the rights to the book and finance the picture for the purpose of promoting a new Quaker Oats "Wonka Bar". David L. Wolper and Roald Dahl agreed that the film would be a children's musical, and that Dahl himself would write the screenplay. However, Wolper changed the title to "Willy Wonka and the Chocolate Factory". Screenwriter David Seltzer conceived a gimmick exclusively for the film that had Wonka quoting numerous literary sources, such as Arthur O'Shaughnessy's "Ode", Oscar Wilde's "The Importance of Being Earnest", Samuel Taylor Coleridge's "The Rime of the Ancient Mariner" and William Shakespeare's "The Merchant