Daily Binairo (SudokuWiki)
Fill the day's grids with black and white circles: no three in a row, equal counts in every line.
Every day: Four numbered Binairo boards a day for everyone: 6x6 and 8x8, each in a plain version and a Plus version with = and X signs between cells. New puzzle: Midnight GMT.
SudokuWiki's Daily Binairo serves four small binary puzzles each day: a 6x6 and an 8x8 Binairo, and a Plus version of each where signs between cells say whether two neighbours match. Fill every cell with a black or white circle so no more than two of a colour sit together and each row and column is balanced.
About Daily Binairo (SudokuWiki)
Binairo, also known as Takuzu or binary puzzle, is a logic grid that SudokuWiki.org added to its set of daily puzzles. The page offers four boards a day: 6x6 and 8x8 in the plain version, and 6x6 and 8x8 Binairo Plus. Each is guaranteed a single solution and can be played on the page or printed.
The rules fit in three lines. No more than two circles of the same colour may sit next to each other in a row or column. Every row and column must hold the same number of black and white circles. In the plain version no two rows and no two columns may be identical; in Plus, an equals sign between two cells means they share a colour and an X means they differ.
The small boards take a few minutes, and the 8x8 Plus is the stiffest of the four. Regular solvers discuss each day's numbered boards in the comments below the puzzles.
It suits players who like LinkedIn's Tango or other no-guessing grids and want more of them every day.
How to play Daily Binairo (SudokuWiki)
- Open Daily Binairo on SudokuWiki and choose a board: 6x6, 8x8, or one of the Plus versions.
- Click cells to place black or white circles.
- Never put three circles of the same colour in a row or column.
- Give every row and column equal numbers of each colour; in Plus, follow the = and X signs between cells.
- Finish all four boards, or print them.
Games like Daily Binairo (SudokuWiki)
Tango
LinkedIn daily binary grid with = and X signs, much like Binairo Plus
Daily Binairo
Another daily Binairo from a puzzle site
Rumba: Binairo Plus Puzzle
A Binairo Plus app with daily puzzles
Daily Sudoku (SudokuWiki)
SudokuWiki main daily puzzle
Daily Str8ts
Andrew Stuart daily Str8ts, another no-guessing grid
Daily 6x6 Mini Sudoku (SudokuWiki)
A small daily sudoku: digits 1 to 6 in a 6x6 grid, in four grades.
Daily Killer Jigsaw (SudokuWiki)
Killer cages on a jigsaw sudoku: sums to hit and irregular regions to fill, once a day.
Daily Mini Killer (SudokuWiki)
A small 6x6 killer sudoku every day: digits 1 to 6, coloured cages with sums.