Behind the Games
Game guides, puzzle strategy, and the story behind our games.
Behind the Games
Building Games That Work on a Five-Year-Old Phone
Vanilla JavaScript, small bundles, code-splitting, and a steady 60fps. How we build games that run on old phones, and why that is really about reach.
August 27, 2026 Behind the GamesWhy Our Games Have No Accounts and No Currency
666 Game is a free browser games site, not a casino. No accounts, no signups, no currency. Here is why that is a deliberate, pro-player choice.
August 27, 2026 Behind the GamesHow We Built Minesweeper’s First-Click Guarantee
The first click should never lose. Here is the real technique behind our Minesweeper: deferred mine placement and a crash-proof flood fill.
August 27, 2026