Solve a pipe puzzle by deduction, from the corners and edges inward. A real 4×4 board worked pass by pass, and what changes when pipes wrap around.
- Tyamka
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Blog
Articles about the Tyamka games, how to play them and what the results mean.
- How to solve a pipe puzzle, from the corners in
- The Wisconsin Card Sorting Test online, what it is and how it works
How the Wisconsin Card Sorting Test works, what one attempt looks like card by card, where online versions live, and how a two-rule sorting game differs.
- Tyamka is on Instagram. What we post there, plus one puzzle to try here
Tyamka now has an Instagram account, @tyamka.app. Here is what the first nine posts cover, from the daily challenge to an odd one out puzzle, with one puzzle to solve and its answer at the end.
- Reaction time test average, and why your own time changes
The average on a reaction time test is about 273 ms on Human Benchmark and 231 ms in a large lab study. Why they differ and why your time moves.
- Brain games in Telegram. How to play all 15 without installing anything
How Tyamka's 15 games open inside Telegram, what differs from the website, what gets saved, and how a one-time purchase with Telegram Stars works.
- Brain games without a subscription. What is free, what you pay for once, and where the ads are
How Tyamka works without a subscription, what the free levels include, what a one-time purchase adds, where the ads are, and what to check before paying.
- Does brain training work? What the research shows and what we promise
What studies from 2008 to 2017 found about brain games, why getting better at a game is not getting better at everyday tasks, and what Tyamka does not claim.
- Reaction time test world record, and why results under 100 ms are doubtful
No body keeps a world record for voluntary reaction time. What the fastest measured times are, and why sprint rules and fair tests doubt anything under 100 ms.
- The flanker task, and how it differs from the arrow Stroop
What the Eriksen flanker task is, how the arrow version works, how it differs from the Stroop test, and what our Arrow Rule game borrows from both.
- Free brain training alternatives compared. Price, free part, language and ads
Five brain training apps and sites and Tyamka compared on facts from their own pages, checked on 26.09.2026. What is free, what is a subscription, and ads.
- Free online memory and reaction tests. How our games compare with a well-known test site
Which reaction and memory tests you can take for free in the browser, how Tyamka's games match the well-known single tests, and where they differ.
- Maze generation algorithms, and how to solve a maze once you know how it was made
How computer mazes are generated, from depth-first search to Prim and the growing tree, and why the hand-on-wall rule works in some mazes and not others.