How to solve ball sort puzzles: 8 strategies that work
Practical strategies for ball sort and colour sorting puzzles - keeping free space, reading the board, planning from the bottom and when to use undo.
Guides
Practical strategies and background reading on puzzle games.
What makes a good puzzle game? 7 principles we design by
The principles we follow when designing puzzle games - clear rules, fair difficulty, solvable levels, fast starts, readable visuals and respect for your time.
Playing games in your browser: no downloads, no installs
How HTML5 games run in your browser without installs, how your progress is saved, whether they are safe, and why they work on both phones and computers.