THE READING ROOM / Olav Games
A closer look at the game
Play in your browser. No account, ads or downloads.
3 articles on the rules, strategy and construction.
GAME GUIDE
How to play Crosslight
The rules, controls and five solvable boards of a small browser logic puzzle.
Read guideSTRATEGY
A more deliberate way to solve Crosslight
Use reversible moves, row-by-row reasoning and a small experiment to understand the board.
Read guideBEHIND THE GAME
Why every Crosslight puzzle has a solution
How the boards are constructed, why moves commute and what that means for finding a solution.
Read guide