Mighty Optical Illusions
Long-running blog of illusions and visual puzzles, from classic ambiguous figures to whichever dress the internet is arguing about.
Opens in a new tab. We do not control this site and it may have changed since we catalogued it.
How to get the most from it
Mighty Optical Illusions sits in Optical Illusions under Weird, filed as coffee break.
- Set aside five to fifteen minutes and give it your proper attention.
- It works on a phone or a desktop, so open it on whatever is nearest.
- It works with the sound off, so it is fine on a train or in a quiet office.
- No account needed — you can start without signing up.
- Go in expecting something weird and mesmerising.
About this category: Illusion collections and perception demos. The good ones keep working after you have been told exactly how they work.
Good for
- Filling a coffee break properly
- Seeing the internet at its least explicable
- Watching something hypnotic for a while
- A quiet break at your desk
- Killing time on your phone
- Trying it with zero commitment
Mighty Optical Illusions: quick answers
Is Mighty Optical Illusions free?
Yes. Mighty Optical Illusions is free to use and needs no account.
Do I need an account to use Mighty Optical Illusions?
No. You can use Mighty Optical Illusions without signing up for anything.
Does Mighty Optical Illusions work on a phone?
Yes. Mighty Optical Illusions works on phones as well as desktop browsers.
Is Mighty Optical Illusions safe for work?
Yes, we file it as safe for work. It also works muted.
How long does Mighty Optical Illusions take?
We file it as "Coffee break": Five to fifteen minutes of proper attention.
More in Optical Illusions
All 13 in Optical IllusionsSteady feed of new illusions with the comments doing the debunking, which is usually half of the entertainment.
The lab page of the psychologist whose completely static images refuse to stop rotating, added to for over twenty years.
- 10 min
- Desktop
Gianni Sarcone's workshop of puzzles and illusions, half optical trickery and half mathematical recreation, running since the 1990s.
- 10 min
Annual contest in which vision scientists compete to fool you, with every finalist since 2005 still watchable.
- 10 min
Same mood: weird
All weird sitesSearch the web with the top million most popular sites removed. What is left is the internet nobody bothers optimising for.
Los Angeles museum whose exhibits may or may not be true, with a website built in exactly the same ambiguous spirit.
- 10 min
A non-profit, open-source search engine with its own index, curated by volunteers. Results feel nothing like the big engines, which is the point.
- 2 min
- Desktop
Fictional US national park built inside a colossal living organism, documented entirely as tourist brochures and incident reports.
- 10 min
Keep exploring
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