Guitar Hero: Aerosmith, your one video game source for Aerosmith music, combines ugly cell animation with ugly 3D graphics to generate some of the most hideous imagery ever created for a video game.

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Guitar Hero: Aerosmith Oozes Muppet Ugly [kotaku.com]

I have to say, as a member of the team that created the ugly cell animation, this is one of the most halirous thing I’ve ever read about a project I worked on.