Puzzle Den

Dot Connect: Link the Colors

Drag from a dot to its matching color to draw a pipe. Pipes cannot cross, and every square must be filled.

About Dot Connect

Connecting colored dots with non-crossing pipes is one of the most popular relaxing logic puzzles, known from apps like Flow Free.

There are 24 levels from 5×5 up to 9×9.

Dot Connect at a glance

GenrePuzzle game
PriceFree, no download or sign-up
ControlsDrag
Typical game length5 to 15 minutes for 4 puzzles
LivesNone
Works onPhones, tablets and computers, in any modern browser
Daily challengeYes, the same puzzle for everyone each day

How to play Dot Connect

  1. Drag from a dot. Draw toward its matching color.
  2. Avoid crossing. Drawing through another pipe cuts it.
  3. Fill the board. Every square must be covered.

Rules

Levels and difficulty

24 levels: 5×5 grids first, growing to 9×9 with up to 13 colors. Your progress is saved on your device, and you can replay any level you have unlocked.

Scoring

Bigger boards score more, minus time and extra redraws. Daily challenge scores can be shared with friends.

Tips and strategy for Dot Connect

How we built and tested Dot Connect

Every puzzle is built from a hidden solution that fills the whole board, so each one is guaranteed to be solvable.

Frequently asked questions

Do I have to fill the board?

Yes, a complete board finishes the puzzle.

Can pipes cross?

No.

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Written and tested by Puzzle Den Editorial Team

Game design and testing. The Puzzle Den team designs, builds and play-tests every game on the site, and writes and reviews each guide. We check every level generator for solvability before a game goes live.

Published 30 September 2026 · Last updated 30 September 2026 · How we build and test games