Give me level ideas for a silly game

[Q-Nova]

Here are some ideas that come to my mind:

• A city made out of game cartridges.
  
• A level that's nothing but fire. Literally.
  
• A level where you face against bacteria and other microscopic organisms.
  
• A level that takes place in Super Mario 128.
  
• A sewer that is the home of video game characters and elements that have been long forgotten. These characters could be training to become ninjas!
  
• A level where you're inside an overheating video game console.
  
• A level that's like a usual one, but you're doing it backwards and undoing all progress that's been done (for example, you'd have to revive stomped enemies, put items back into ? blocks, and put bricks back together).
  
• A crazy bus driven by a crazy driver that's playing Crazy Bus music.
  
• A level where you run across CDs as if they were planets.
  

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