Pulse Core
Vector Axis
Logic Puzzle Library — quarterly bundle of original reasoning puzzles

№ 02 — Annual Subscription · ¥17,500

Four Bundles a Year.
Puzzles Worth Sitting With.

A standing library subscription that delivers original logic puzzles quarterly — across difficulty bands, across types. Deductive grids, spatial problems, sequence patterns, and mathematical riddles. Solutions and commentary follow two weeks later.

§ 01 — What This Delivers

A reason to think carefully, four times a year

There's a particular pleasure in a puzzle that asks something of you without demanding everything. Not the disposable kind that refreshes endlessly on a phone screen, but the sort that sits on a desk, gets picked up and put down, and eventually gives way to a satisfying moment of clarity. That's what the library is built around.

Each quarterly bundle is designed to work across a range of moods and time availabilities — short pieces for a focused fifteen minutes, longer constructions for a weekend afternoon. The two-week solution release gives you space to work through things at your own pace before the commentary arrives.

What you receive

  • Four puzzle bundles per year — one each quarter
  • Multiple puzzle types across difficulty bands
  • Solutions released two weeks after each bundle
  • Brief commentary on solving approaches included
  • Suitable for individuals, families, and small groups

§ 02 — What Brings People Here

The quiet frustration of nothing worth puzzling over

It's easy to reach a point where daily life doesn't ask much of your reasoning. Work settles into familiar patterns. Reading becomes passive. The part of the mind that enjoys figuring things out sits largely unused, not from lack of interest but from lack of material that genuinely engages it.

Most available puzzle options fall somewhere unsatisfying. Apps reward speed over thought. Crosswords often lean on trivia more than logic. Mass-market puzzle books feel identical from one edition to the next. Finding something original, well-made, and genuinely interesting takes more effort than it should.

For families or small groups, the challenge is finding something that holds several people's interest at once — something that works as a shared activity rather than a solo distraction. The puzzle types that do this well aren't always easy to locate, and the novelty of individual pieces wears off quickly.

The library is built around the premise that good reasoning material deserves a proper home — curated, quarterly, and worth the wait between bundles.

§ 03 — What's in the Bundles

Original puzzles drawn from four reasoning traditions

Deductive Grids

Logic grid puzzles where relationships are established through elimination. Requires careful tracking of constraints — satisfying to work through methodically.

Spatial Shapes

Problems involving the rotation, folding, and fitting of geometric forms. Exercises a different kind of reasoning than verbal or numerical puzzles.

Sequence Patterns

Number and symbol sequences that require identifying the underlying rule. A clean test of inductive reasoning that rewards careful attention to structure.

Σ

Mathematical Riddles

Lightweight mathematical problems that require creative thinking rather than calculation. Accessible to readers without a technical background.

Each bundle mixes these types across difficulty levels — so there's something suitable for a short focused session and something that will take longer to crack. The proportions vary slightly from bundle to bundle, keeping the collection fresh across a year.

§ 04 — How the Year Unfolds

A rhythm you can build a habit around

Q1

Bundle arrives

Your first quarterly bundle lands — a curated set across the four puzzle types. Some pieces are short. Some will take an evening. There's no deadline and no requirement to work through them in order.

+2w

Solutions and commentary

Two weeks after the bundle, the solution set is released — alongside brief commentary on the more interesting solving approaches. Reading the commentary is worthwhile even for puzzles you solved correctly.

For families and groups

Puzzles in each bundle are designed to work as shared activities. Deductive grids in particular work well with two or three people working through the constraints together. The mathematical riddles can become good dinner-table questions for households with older children.

×4

Across the year

Four bundles across the year means there's always something to return to. The spacing is intentional — close enough to maintain a habit, spread enough that each bundle feels like an event rather than a task.

No expiry on the material

Bundles don't expire. If a busy stretch means one quarter's puzzles don't get touched until the next bundle arrives, that's fine. The material keeps indefinitely and rewards revisiting.

EN

All materials in English

Bundles, solutions, and commentary are all written in English. The puzzle types used — grids, spatial forms, sequences, and riddles — keep verbal language requirements to a minimum in most pieces.

§ 05 — The Investment

One annual subscription. Four considered bundles.

Logic Puzzle Library

¥17,500

Annual subscription — four bundles per year

  • Four puzzle bundles per year (quarterly)
  • Deductive grids, spatial shapes, sequences, riddles
  • Multiple difficulty levels within each bundle
  • Solution sets released two weeks after each bundle
  • Commentary on solving approaches included
  • All materials in English, no expiry on content
Subscribe to the library

¥17,500 across a year works out to roughly ¥4,375 per quarterly bundle — for original material that you won't find anywhere else, with solutions and commentary written specifically for each bundle's puzzle set.

For a household where two or three people engage with the puzzles, the value per person is considerably lower. The material is designed to sustain that kind of shared use — there's no single-user restriction.

How renewal works

Subscriptions run annually. Closer to renewal, we'll write to you with details — there's no automatic charge. You decide whether to continue, and there's no penalty for stepping back for a year.

§ 06 — The Thinking Behind It

What makes puzzle work genuinely useful for reasoning

Range keeps reasoning active

Working across spatial, deductive, sequential, and numerical puzzles exercises different reasoning processes. Variety prevents the kind of rote-solving that narrows engagement over time.

Commentary builds skills

Reading how a puzzle was intended to be approached — even after solving it — deepens the reasoning skills involved. The solution release is as much a teaching document as an answer key.

Consistency matters more than intensity

Regular engagement with reasoning material — even in short sessions — sustains cognitive habits more effectively than occasional intensive effort. The quarterly rhythm is designed around this.

A note on difficulty

Each bundle contains puzzles across a range — some are genuinely challenging. The intention is that you will not solve every piece on the first attempt. That's not a failure condition; it's part of how the material works. The commentary on unsolved pieces is often the most useful part of the bundle.

§ 07 — Our Commitment

The bundles should feel worth waiting for

If after receiving your first bundle you find the content doesn't match what was described here — the puzzles feel thin, the commentary is unhelpful, the difficulty range isn't what you expected — please write to us. We take the quality of each bundle seriously and want to know when something hasn't landed well.

If the first bundle genuinely doesn't work for you, we'd rather discuss what can be done than have you feel the subscription was a mistake. Write to info@pulsecorevectoraxis.com and we'll respond honestly.

No hidden fees

The annual rate is the full cost. No per-bundle charges, no upsell materials, no further obligations.

§ 08 — Getting Started

How the subscription begins

01

Write to us

Use the contact form at the bottom of the main page or email info@pulsecorevectoraxis.com. Let us know you'd like to subscribe, and mention any questions you have about the bundles or content.

02

We confirm the details

We'll reply with the subscription terms and delivery details — including when your first bundle will arrive. We aim to reply within two business days of receiving your message.

03

Your first bundle arrives

The first quarterly bundle is delivered to you at the start of your subscription period. From there, bundles arrive at the beginning of each quarter throughout the year.

§ 09 — Take the Next Step

Something worth puzzling over, four times a year

If the idea of a well-made puzzle bundle landing on a quarterly schedule appeals to you — whether for yourself, your household, or a small group — get in touch. A short note is enough to begin.

Subscribe to the library — ¥17,500

Explore Other Programmes

There are two more ways to work with us

№ 01

Cognitive Skill Assessment

¥11,000 · Single session

A facilitated session exploring your attention, memory, and reasoning patterns. Includes a written summary and suggested practice areas — a thoughtful starting point for understanding how you currently think.

Read more →

№ 03

Reasoning Practice Programme

¥28,500 · Eight weeks

Eight structured weeks on recognising assumptions, weighing evidence, and constructing clear arguments. Weekly readings, exercises, and a closing consultation with the facilitator.

Read more →

← View all programmes