V1
Minimal text
Big "404" · supporting message · back-home button.
Acme Studio
/error-404/v1
V2
Illustrated friendly
Playful CSS illustration · search input · back link.
Northbeam
/error-404/v2
V3
Helpful suggestions
404 + grid of popular pages + recent posts + contact CTA.
Quill Cloud
/error-404/v3
V4
Game style
Atari "GAME OVER" treatment with retro CSS animation.
Atari Returns
/error-404/v4