The Factivity Funhouse
A new one unlocks every hour. Play it, then share its video.
Numbers game
A fact is missing its number. Can you pick it?
This hour's Factivity
Up next in --:--: Scratch and Fact at 9 AM.
A rainbow is visible to the human eye as containing about ? distinct colors.
No two people see the exact same rainbow because every individual is viewing the light from a slightly different angle and position relative to the rain and the sun.
Want facts like this? Get your own facts
Hints are for members
Stuck? Sign up free and get 10 hint points every day: a nudge, a wrong answer crossed off, or the answer itself.
Sign up free- A new one every hourFree for everyone. Members play the next one early.
- Same one for everybodySend it to a friend and see who gets it.
- Finish it, share the videoEvery one ends on a true fact and a clip.
Today's lineup
Times in your time zone- 9 AM Scratch and Fact
- 10 AM Quick, guess
- 11 AM More surprising?
- 12 PM Sky's the limit
- 1 PM Spin the wheel
- 2 PM Lie Detector
- 3 PM Brainyville Fact Tour
- 4 PM The Fact Line
- 5 PM Feed the Brain
- 6 PM Wanna bet?
- 7 PM Incoming!
- 8 PM Numbers game
258Factivities played this week
15links and videos shared
Facts that find you
Pick the topics you love. We drop one fact at a time, at a random moment of your day.
Start freeUnlocked. For a whole year, new ones included
for a year
opens to everyone at .
One Factivity opens to everyone each hour.
Pass-holding donors skip the line.
The Pass goes on your Braintasia account, so sign up first.
Sign up free I have an accountGive through Ko-fi. No subscriptions, no renewals. Your facts stay free either way.
Unlock it with tickets
- Win Factivity tickets: every Factivity pays them, for right answers or just for playing. Or bet them in Wanna bet?, or try a Lucky scratcher.
- Unlock for 2,000 tickets. It's yours to play at any hour, for good.
Tickets go on your Braintasia account, so sign up first.
Unlock every one
Tap the ticket to see the Factivity Passopens to everyone at .