What Is Tango Game?

The short answer

Tango is a 6×6 logic puzzle on a grid. You fill every cell with one of two symbols — typically a sun or a moon — so that the finished board satisfies four rules: every row has three of each symbol, every column has three of each symbol, no three identical symbols sit next to each other in a row or column, and any = marker between two cells means they hold the same symbol while any × marker means they hold opposite symbols. The puzzle is designed to have exactly one solution that you can reach by pure deduction — no guessing required.

In other words: it’s a balance puzzle with constraints, on a small grid, that you can finish in a few minutes once you know the rules.

Where Tango came from

LinkedIn launched Tango on October 8, 2024, five months after Queens, as the second entry in its in-platform daily games suite. The platform later added the path puzzle Zip, completing the trio. Tango is shipped as a once-a-day puzzle inside the LinkedIn app and on linkedin.com/games/tango — every player on a given day gets the same board, and you compete on solve time and streak.

The Tango boards are designed by Thomas Snyder, the 2018 World Puzzle Champion and a three-time U.S. Sudoku champion, who previously worked as a scientist at Freenome and Adaptive Biotechnologies before turning to puzzle design full time. Snyder hand-tunes the difficulty curve so the boards get harder as the week progresses — a pattern borrowed from the New York Times crossword. Monday and Tuesday boards are the fastest; Saturday and Sunday are the toughest.

The deeper history: Binairo, Takuzu, and the binary-puzzle family

Tango did not appear out of nowhere. Mechanically, it is the latest entry in a two-decade lineage of two-symbol grid puzzles that goes by many names depending on the country and publisher you grew up reading.

The most cited modern origin is Binairo, created by Belgians Peter De Schepper and Frank Coussement in 2009 and popularised by Dutch publisher Conceptis. Around the same time, Italian inventor Adolfo Zanellati independently designed a near-identical puzzle he called Tohu wa Vohu — Hebrew for “formless and empty,” the opening phrase of Genesis. Both arrived at the same three core rules: balance the two symbols in every row and column, never allow three identical symbols in a row, and keep every row and column unique.

Across Europe the puzzle picked up a different name in every market. In France it ran in Le Figaro as Takuzu from at least 2011, with a competing brand Binero trademarked by Éditions Megastar. In the Netherlands it appeared in Algemeen Dagblad and the Sanders and Denksport puzzle books. In Germany you find it as Eins und Zwei (“one and two”), and in Switzerland as Binoxxo — “Bin” for binary, plus the O and X used as the cell symbols. American puzzle books often print it under the descriptive label Tic-Tac-Logic, and you may also encounter Sudoku Binary or Zernero.

What LinkedIn’s Tango contributed to this family is the = and × constraint markers printed between adjacent cells. Classical Binairo gives you only pre-filled symbols as starting clues; Tango’s markers chain pairs of cells together and let designers ship boards with fewer pre-filled cells while still guaranteeing a single solution by deduction. That is why a Tango board can look almost empty and still be solvable in three minutes — the markers do the work that twenty extra clues would do in a pure Binairo grid.

How Tango compares to Queens and Zip

Each of the three LinkedIn daily games has a different mechanic:

• Tango — fill a 6×6 grid with two symbols, satisfying balance, no-three-in-a-row, and the = / × markers. Generally considered the most accessible.
• Queens — place chess queens on a coloured grid such that no two queens attack each other and no two share a colour region. More chess-flavoured.
• Zip — connect numbered cells in order with a single path that covers every cell on the board. A spatial / path-finding mechanic.

All three reward different muscles: Tango leans on parity and constraint reasoning, Queens on look-ahead and pattern recognition, Zip on spatial planning. Most regular LinkedIn-games players cycle through all three each day.

Tango Unlimited vs LinkedIn Tango

LinkedIn ships one Tango puzzle per day. Tango Unlimited, on this site, runs the same rule set but removes the daily cap: you can solve as many boards as you want across three difficulty levels, plus the same shared Daily puzzle for the day. No signup, no install, no premium tier. The Daily here is canonical (same as the LinkedIn game), and the Unlimited mode is for practice once you’re done.

If you want to skim the rules first, read the full how-to-play guide or jump straight to Tango Game Unlimited.

Frequently asked questions