Reason it through.
US$2.99 / month
- 60 challenges with explained answers
- A rotating daily challenge
- Saved attempts and practice history
- Four-week practice guide
A small daily practice in reasoning, focused work and reflection. Solve a challenge, make time for one task, and notice your progress — at your own pace.
Try 5 puzzles free ↓Start your free practiceEnglish PDF · For teens and adults · No email required
60 puzzles.
Every answer explained.
Untimed practice. No account needed.
Original moving patterns, drawn live in your browser. Choose a scene and set your own pace. No sound, no autoplay video.
Motion can be paused at any time. These visuals are for recreation.
Find the value of each shape, then use the order of operations. You can take your time. The explanation is here when you want it.
Download the free samplerFive puzzles from the full edition, including explained solutions. Free, not a trial subscription.
Circle + Square = 11
Square + Triangle = 13
Circle + Triangle = 16
Circle + Square × Triangle = ?
Adding the three equations gives twice the total: 40. So the shapes sum to 20. Circle = 7, Square = 4 and Triangle = 9. Multiply first: 7 + 4 × 9 = 43.
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Planned recurring monthly prices in USD. Paid plans will renew automatically until cancelled. Cancel renewal in your member area; access continues until the end of the paid period. Any applicable tax will be shown before payment. No annual commitment.
Five complete puzzle challenges, a five-minute focus timer, one member-area visual and saved practice history. No card required.
Make a small daily ritual out of solving something. Work through two puzzles each day, or choose a format you enjoy.
Includes both PDF editions. The five free puzzles are included in the full collection.
For now, enjoy the free sampler. No payment is being collected.
Get 5 free puzzles ↓No. The full product includes a portrait edition for reading on your phone or tablet. You can keep your working in a notebook. The print edition uses A4 pages.
The collection is written for teens and adults. Some puzzles are quick warm-ups; others use combinatorial counting or logical deduction.
No. Loop & Logic offers recreational challenges and tools for practising a routine. Scores describe your activity here, not your intelligence. We do not promise cognitive or health outcomes. Kinetic visuals are optional and may be distracting for some people.
The files are digital and in English. Sales have not opened yet. Available countries, payment methods and the checkout currency will be shown when sales open.
You may share the free sampler unchanged for non-commercial use. The paid collection is for personal and household use and may not be resold or redistributed.