What "unlimited" actually means
The word gets used loosely, so it is worth being precise about what is and is not capped here.
The official Tango on LinkedIn gives you one board per day, behind a login, with a streak counter to bring you back tomorrow. That is a deliberate design — a shared daily puzzle everyone solves at the same time, the same way a newspaper crossword works. It is a good design for a habit. It is a bad design for the evening when you finish the board in ninety seconds and want another one.
This site inverts that. There is no daily counter, no streak and no login. More importantly, the boards are not dealt from a pre-built pack of a few hundred puzzles that eventually loops. Each board is generated the moment you press New Game, then run through a solver before it reaches you. Nothing is waiting in a queue to run out.
You can check this yourself rather than take our word for it: open four or five boards in a row and compare the opening symbols. If a site is serving from a fixed pack, repeats show up quickly — especially on the harder levels, where packs are smallest.
How many Tango boards actually exist
Here is a number almost nobody bothers to work out, and it is more interesting than the marketing answer.
Ignore the clues for a second and count the finished grids — every way to fill 6×6 with suns and moons so that each row and column holds exactly three of each and no three identical symbols ever touch. Enumerate them all and you get exactly 11,222 valid solutions. That is the entire universe of Tango endings. It is a smaller number than most people expect, and it comes from how brutal the rules are: of the 20 ways to place three suns in a row of six, only 14 survive the no-three-in-a-row rule, and the column constraints then cut most of the remaining combinations.
So is 11,222 the ceiling on how many puzzles you can play? No — because a puzzle is not just its solution. It is a solution plus a choice of which cells you start with and where the = and × markers sit. Choosing which 8 of the 36 cells to reveal already gives 30,260,340 possibilities, before you multiply by the 11,222 endings or place a single clue marker.
Only a fraction of those combinations produce a board with exactly one solution, which is the bar every board here has to clear. But "a fraction of thirty million, times eleven thousand" is still a number you are not going to exhaust. Practically speaking, the same board twice is not something you need to worry about.
Unlimited hard, not unlimited easy-in-disguise
The failure mode of unlimited puzzle generators is that difficulty quietly collapses. Generate boards fast enough and they drift toward the middle, so "hard" becomes medium with fewer starting symbols.
That is why every board here is checked twice, not once. The first solver confirms the board has exactly one solution — standard, and it is what stops you ever being forced into a guess. The second solver is the one that sets difficulty, and it is deliberately handicapped: it only knows the three moves a human reaches for first (counting to three in a line, breaking up adjacent pairs, and following a = or × to its neighbour). It never backtracks and it never guesses.
Difficulty is then defined by how far that limited solver gets before it stalls:
The consequence worth knowing: a hard board here sometimes starts with more given symbols than a medium one. That looks backwards until you realise the generator is not hunting for boards that give you less — it is hunting for boards where the obvious moves dry up early, and occasionally that needs an extra symbol to keep the solution unique. How the three levels are built and tested
Playing unlimited without burning out on it
Removing the daily cap changes how you play, and not always for the better. A once-a-day puzzle gets your full attention. An infinite supply invites you to abandon anything that resists for more than a minute and hit New Game — which is exactly the habit that stops you improving.
Two things help. First, when a board stalls, resist the reroll and change what you are looking for instead: stop asking "which cell is forced?" and start asking "which cell would break something?" Assume a symbol in a cell next to a clue marker and follow it two or three steps until it collides with the balance rule. That collision is a proof, not a guess, and it is the technique hard boards are built around.
Second, use the timer as the constraint the daily cap used to provide. Fix a level, solve five boards, and watch the times rather than the count. The seven techniques, in the order they pay off
Frequently asked questions
Is Tango unlimited really unlimited?
There is no daily cap and no play counter — press New Game as often as you like. The boards are not pulled from a fixed pack either; each one is generated at the moment you ask for it and then checked by a solver. What limits you is your own patience, not the site.
How many different Tango boards are possible?
A 6×6 grid has exactly 11,222 complete solutions satisfying the balance and no-three-in-a-row rules. Each of those becomes many different puzzles depending on which cells are revealed and where the = and × clues sit, so the number of playable boards is vastly larger than 11,222.
Why does LinkedIn only give one Tango puzzle a day?
The official Tango is built as a daily habit, like a crossword — one shared board so everyone plays the same puzzle, with a streak to bring you back. That design needs the cap. A site that generates boards on demand does not, and that is the whole difference between the two.
Is there unlimited hard Tango?
Yes. Pick Hard in the selector and every new board comes from the hard pool. Hard boards are screened by a second solver that only knows the basic techniques — if that solver can finish the grid, the board is discarded, so hard means the obvious moves genuinely run out.
Do I need an account to play unlimited Tango?
No. No signup, no login, no download. The puzzle runs in the browser tab you already have open, on phone or desktop.
Will I ever get the same Tango board twice?
In practice, no. Boards are generated rather than dealt from a pack, and the space of valid puzzles runs into the millions once clue placements are counted. Test it yourself — open several boards in a row and compare the starting symbols.