Famous
Apollo 11
The first mission to land humans on the Moon, on 20 July 1969.
Wikipedia entry, CC BY-SA licence
Trivia, dates and timelines
Each game lasts two to three minutes and plays with one thumb. Find a year, put events in order, work out the gap between two dates: a history quiz where speed matters as much as knowledge.
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Solo campaign
Sectors to restore, eight puzzles per stage and a Boss at the end. Three stars for a flawless run.
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Daily Puzzle
Five puzzles, the same for everyone, one try. Share your result in one tap.
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Duel with friends
A real-time multiplayer duel for 2 to 8 players: a code, a link or a QR code is all it takes to join the room.
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Against the Automatons
Five bot levels, from Cog to Tourbillon, to practise when nobody is online, even offline.
Wiki cards to collect
Every game earns you draws. Every card is a real Wikipedia entry or a rare word, with its summary and a link to the article. The more forgotten the subject, the rarer the card.
- Famous 50%
- Known 28%
- Obscure 15%
- Forgotten 6%
- Erased 1%
Fair when it matters
Sealed Protocol
Same puzzles, same timer, no powers: in a duel, knowledge alone decides.
Altered Protocol
Powers and items earned along the way, for wilder duels.
No forced ads
Every video is your choice, for a clear reward. Never during a game.
Frequently asked questions
Is the game free?
Yes. ECHOES is free, with no purchases. Optional videos speed up your progress; you decide when to watch them.
Do I need to download an app?
No. ECHOES runs in your browser, on mobile and desktop. You can add it to your home screen in one step, no app store needed.
Where do the wiki cards come from?
From Wikipedia and Wiktionary articles, selected and checked. Every card cites its source and links to the article, under the CC BY-SA licence.
Can I play with friends?
Yes, up to 8 players in a private room, in real time. Invite friends with a code, a link or a QR code.
Can I play offline?
Yes for the solo campaign and duels against the Automatons, once the game has been opened at least once. Online duels need a connection.
What is the minimum age?
ECHOES is for ages 15 and up.