RubySquare
A two-person studio's seven-year argument with the perfect puzzle.
Ruby Square began as a weekend experiment: could the Rubik's Cube's best idea — order emerging from chaos — survive being flattened onto a phone screen? Seven years and 700+ levels later, the answer keeps us shipping updates.
AppSoGreat, in its own words
A tiny independent studio with an outsized obsession for mechanics that respect the player. No growth hacks, no engagement tricks — just puzzles worth solving.
Principles, not roadmaps
Every feature in Ruby Square had to survive the same interview: does it make the thinking better? If the answer was "it makes the metrics better", it got cut. What's left is a game that runs cold, launches fast and never asks for more than your attention.
| Zero lag | Rotations respond in a single frame, even on budget hardware. |
| Battery friendly | An hour of play costs less charge than ten minutes of video. |
| Offline first | Every level, every feature — no connection required after install. |
| ~15 MB | The whole game weighs less than a single photo from your camera. |
Why a red square?
The name nods to Kazimir Malevich and the suprematists — painters who believed a single colored square could carry an entire composition. A century later, the same confidence sits inside your pocket: one grid, a handful of colors, infinite rearrangement.
From canvas to combinatorics
1915 gave us the red square as an idea. 2018 turned it into a game.
The mechanical ancestors are obvious — the 15-puzzle, the cube, the sliding tiles of every childhood. Ruby Square's twist is rotation instead of translation: blocks don't slide, they spin, and that single change produces a completely different kind of thinking.
Flat boards solved the cube's oldest problem too. There are no hidden faces, no blind spots, nothing you can't see. Every mistake is legible — which means every mistake is learnable.
1974 → 2026
Ruby Square stands at the end of a fifty-year queue of people who couldn't leave a good mechanism alone.
Rubik builds a teaching aid
Erno Rubik wants to explain 3D movement to his students and accidentally creates the best-selling puzzle in history. The lesson: constraint plus color equals obsession.
Pyramids, dodecahedrons, snakes
Dozens of twisty puzzles chase the same high. Most share one flaw: you can never see the whole puzzle at once.
Match-3 eats the world
Puzzle games get bright, loud and free-to-wait. Fun for minutes, engineered for months — and mostly forgettable.
The cube, flattened
AppSoGreat releases the 2D rotation puzzle: every face visible, every move reversible, nothing between you and the logic. Seven years of updates later it still looks like day one — deliberately.
Why 2D wins on a phone
- All cells visible — zero blind spots
- One-thumb play, any orientation
- Rotation state readable in a glance
- No physics sim — instant, exact moves
Permutation theory you can feel
Every rotation is a permutation of colored cells. Stack enough of them and you're doing group theory with your thumb — no notation required.
states(board) = k! × arrangements
where k counts movable blocks — and explodes fast
A 6x6 Ruby Square board has more reachable states than there are atoms in your body. You'll never see two identical scrambles unless you make them yourself.
Read the parity guideParity classes per board — half of all scrambles are unreachable by even-move solutions.
One fixed rotation angle. Simplicity is what makes the strategy legible.
Distinct block sizes — the game's entire vocabulary fits on one hand.
Zero pressure, by design
Ruby Square has no countdown, no streaks, no lives and no energy bar. You can spend five seconds on a move or five hours — the board waits with supernatural patience.
- Deeper analysis beats faster tapping
- No anxiety loops, no loss aversion mechanics
- Autosave on every single move — close the app mid-thought
- The only score that matters: your moves vs. the world average
Designed for the pause
Most games punish hesitation. This one was built for it — the best moves usually arrive after you've put the phone down twice.
Order out of noise
There's a reason finishing a board feels like tidying a room. Psychologists call it "completion drive" — we call it the best part of the day.
The scramble — randomness with a heartbeat.
The order — your doing, one rotation at a time.
Players describe the late-game trance as "productive meditation" — a state the daily ritual guide explores in depth.
A game that still ships
Eight years in, Ruby Square still gets updates — billing libraries, new devices, the occasional lovingly brutal new pack.
The launch
Four stages, 400 levels, one mechanic. The core that never changed.
Colorblind palette
A second color system tuned so symbol-free play stays readable for every eye.
Cloud save
Progress follows your Google account across phones, tablets and resets.
Billing V6
Modern Google Play billing — invisible unless you're upgrading to ad-free.
Engineered like it's 1998
The app is small on purpose. In an era of 2 GB games, Ruby Square fits in a photo's worth of storage — and outperforms most of them.
Measured on a mid-range Android device; see the engineering post for methodology.
Start on the phone, finish on the tablet
Progress syncs through Google Play Games, so your level 6x6-41 attempt survives new phones, factory resets and sibling borrowing.
One account, zero friction
Sign in once through Google Play Games — no separate account, no password to forget.
Every solved level and every move count syncs quietly in the background when you're online.
Offline progress queues locally and merges automatically next time you connect.
Questions we hear a lot
Yes. Every one of the 700+ levels is playable free with occasional, non-intrusive ads. The premium upgrade removes advertising entirely for about the price of a coffee — details on the pricing page.
Completely. The game needs internet only to sync cloud saves and fetch updates. Planes, tunnels and dead zones are prime solving territory.
Rated Everyone and Google Teacher Approved. No chat, no purchases required, no content concerns — just logic. The parent's guide covers age fit in detail.
rubysquareau.com is the Australian presentation portal for the game — run by the local AppSoGreat representative office in Perth. For gameplay support, head to contacts; for the app itself, Google Play is the source of truth.