FlowConnect: Pipe Puzzle

Content rating
Everyone
1+
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Content rating
Everyone
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About this game

Every puzzle has one solution, and it uses every square on the board.

FlowConnect is a pipe-connecting puzzle with one rule that changes everything:
joining all the matching pairs isn't enough. The board has to be completely
full. Leave a single empty square and the level isn't solved — so there is
always exactly one right answer to find, and never a lucky guess that happens
to work.

WHAT'S INSIDE
• 240 puzzles across 10 packs, from a gentle 5x5 up to a 22-colour 12x12
• A new Daily Puzzle every day, with streak tracking
• Time Trial: three minutes on the clock, +3 seconds for every clean solve
• Rectangular packs (5x8, 6x9, 7x10) that break the square-grid habit

EVERY PUZZLE IS PROVEN
Each level is generated from a solution and then machine-verified to have
exactly one. No puzzle ships until a solver has proved its answer is unique.
So if you are stuck, the puzzle is solvable — and there is precisely one way
through it.

BUILT TO PLAY WELL
• Draw pipes with your finger; the line follows exactly where you touch
• Undo any move, or restart instantly
• Hints when you want them, never pushed on you
• Pattern fills for players who cannot rely on colour alone
• Light and dark themes
• Plays fully offline — no account, no sign-up, nothing to create

Free to play, supported by ads.
Connect every pair, fill every cell. 240 puzzles, each with one proven answer.
Updated on
Aug 25, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Device or other IDs
  • This app may collect these data types
    Device or other IDs
  • Data is encrypted in transit

What’s new

Initial Release