Claude's 404
Claude's 404 page uses one of their LLM models to create a poem.
Design Examples
404 Page Design: Real Examples
See how companies like Wendy's, CarWow, Mobbin and the Financial Times turn 404 pages into minigames, quizzes and in-jokes, with annotated examples including Claude and IMDB.
Real world examples:
Updated: 26/10/2026, view all 1,508 examples
Examples on Built for Mars include
CarWow ends its 404 game with a car search
Mobbin turns its archive into a 404 quiz
Codecademy links its 404 game to a course
Dribbble's 404
Dribbble's 404 page includes an interactive colour slider, which will show a collection of images in that colour.
Sir, this is Wendy's
Wendy's 404 page has an interactive game, very similar to Donkey Kong, where you have to stack burgers.
Looks like you need a new car
CarWow's 404 has an interactive racing game. Once you lose (crash your car), it cleverly directs you into finding a new (real) one.
IMDB showing movie quotes in their 404
IMDB's 404 page will display random (slightly edited) movie quotes.
Mobbin's 404 quiz
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FAQs
Do creative 404 pages actually improve conversion?
Rarely. 404 pages tend to have little or no impact on conversion rates or churn. Their real return is social sharing, since a playful error page is a small moment people like to pass around.
How can a playful 404 page still serve a business goal?
Link the playful element back to the core product. For example, CarWow's driving game ends in a crash with "It looks like you need a new car" and a button to find one, while Codecademy places its minigame next to a link to its Phaser.js game development course.
What makes a 404 page feel on-brand rather than generic?
Humour built from material the audience already knows creates a sense of Tribalism, i.e., an in-joke only insiders fully get. For instance, IMDB edits famous film quotes, the Financial Times blames missing pages on liquidity traps and Pareto inefficiency, and Mobbin asks designers which app a screen is from.
Does a fun 404 page still need a clear way back?
Yes, the joke sits alongside the exit, not in place of it. As an example, IMDB pairs its Obi-Wan quote with a plain note that the URL wasn't found and a homepage link, and Mobbin places links to its browse page above the quiz.
Why make a 404 page interactive instead of static?
Interaction gives people a reason to stay on a dead end and share it. For example, Dribbble's colour slider rebuilds the "404" from designs in the chosen colour, and Claude lets visitors switch which model writes the poem, so they can compare the models firsthand.