Fill in 4 Puzzle: a close look, tips and whether it is worth your time

If you enjoy short sessions that are hard to walk away from, give this one a look. Below is everything you need before the first launch: the gist, the controls and some working techniques.

What this game is

Fill in 4 is a compact logic puzzle: fill the colored parts of the grid so neighboring regions use different colors. Check your solution, clear the board, and progress through levels.

How to play, in short

1. Fill in 4 is a compact logic puzzle: fill the colored parts of the grid so neighboring regions use different colors.

2. Check your solution, clear the board, and progress through levels.

A few final tips

• Check out the demo mode on the game page — the AI shows how it is played, and repeating it yourself gets much easier.
• Play in short sessions: the best results come with a warmed-up head.

A perfect way to kill ten minutes — and suddenly an hour is gone. Ready to try? "Fill in 4 Puzzle"