Sun & Moon Tango Puzzle Game
Find the balance between suns and moons
Sun & Moon Tango is a binary logic puzzle built around three rules. Solve 600 levels from 6×6 to 10×10 and a daily puzzle, with hints that explain why a square can be filled.
- Android
- Free to download
- Contains ads

What you can do
Who it is for
For sudoku and nonogram players who enjoy deducing patterns and relationships between symbols.
Three rules to reason with
Never place three identical symbols in a row, keep equal numbers of suns and moons in each row and column, and satisfy the = and × links.
Hints that teach the next move
Hints explain a forced move or point out an incorrect square. You can also choose when errors are highlighted.
600 levels across three sizes
Progress through 6×6, 8×8 and 10×10 boards, plus a daily puzzle. All levels unlock through play without paid level gates.
Inside the app
Actual app screens published on Google Play.




Getting started
Inspect the symbols and links
Check how many suns and moons each row and column needs, along with the = and × links.
Tap to place a sun or moon
A tap places a sun, the next changes it to a moon, and another clears the square.
Complete all three rules
Satisfy every row, column and link. Read a hint explanation or undo a move when you need another approach.
Before you install
- Developer
- Blackcow Soft
- Levels
- 600 levels and a daily puzzle
- Grid sizes
- 6×6, 8×8 and 10×10
- Solutions
- One solution per puzzle
- Progress
- Automatic saving and undo
- Published version
- 1.1.1
- Store update
Questions, answered
What do = and × mean?
Squares joined by = must contain the same symbol. Squares joined by × must contain different symbols.
How many identical symbols can be consecutive?
Up to two horizontally or vertically. Three or more identical symbols cannot be consecutive.
Can I turn error highlighting off?
Yes. Choose immediate highlighting, highlighting only when a line is complete, or no highlighting.
Do I need to pay to unlock levels?
All 600 levels unlock through play without paid gates. Ads appear between puzzles, and rewarded ads to refill hints are optional.
See if it fits your next project or play break.
Check Google Play for supported devices and the latest release availability.