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Millions of chess tactics pulled from real games and served at exactly your rating, entirely free and with no account required.
Opens in a new tab. We do not control this site and it may have changed since we catalogued it.
Lichess Puzzles sits in Brain Trainers under Play, filed as a minute.
About this category: Memory, reaction, attention and pattern-matching drills that happen to be fun. Short sessions, visible progress, and a score you will want to beat.
Yes. Lichess Puzzles is free to use and needs no account.
No. You can use Lichess Puzzles without signing up for anything.
Yes. Lichess Puzzles works on phones as well as desktop browsers.
Yes, we file it as safe for work. It also works muted.
We file it as "A minute": One quick round, then you can leave.
The best-known brain-training subscription, with a free daily set of games and rather a lot of graphs about your own decline.
Hundreds of matching-pair memory games plus Simon-style sequences, scaled from toddler difficulty to genuinely unpleasant.
The one free IQ test people actually cite: thirty-five matrix puzzles, twenty-five minutes, no email address demanded at the end.
The colour-word interference test as the real psychology experiment rather than a quiz-site imitation, with your data at the end.
Read and listen to real material while tapping unknown words, which quietly become your review deck.
Wikipedia's running audit of the things almost everyone believes and almost nobody has ever checked.
Wikipedia's index of its own indexes, which is either a long-running joke or the purest expression of the site.
A quiet turn-based server for abstract strategy games — Hex, TwixT, Amazons — where matches last months and nobody rushes you.
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