300ms
Average Human Reaction Time
The average human visual reaction time is approximately 200–300 milliseconds. Elite athletes and gamers can achieve 150ms or below. Our Reaction Time Test lets you benchmark your reflexes scientifically.
2014
2048 Was Created
Gabriele Cirulli created the original 2048 puzzle game in a single weekend in March 2014. Within a week it had been played over 4 million times. It remains one of the most successful mobile browser games ever made.
6.67×10²¹
Unique Sudoku Grids
There are 6,670,903,752,021,072,936,960 valid completed 9×9 Sudoku grids — approximately 6.67 × 10²¹. Each puzzle has a unique solution, making Sudoku one of the most mathematically rich logic puzzles ever devised.
Common Questions
Are the games free to play?
Yes — all games on Plix.Tools are completely free to play with no sign-up, no in-app purchases and no time limits. Play as much as you want.
Do the games work on mobile?
Yes. All games are mobile-optimised. 2048 and Minesweeper support touch swipe gestures. Word Guess has a built-in on-screen keyboard. Sudoku has large tap targets for touch screens.
Are my game scores saved?
Some scores are saved in your browser's localStorage (e.g. your best 2048 score and Reaction Time records). This data stays on your device and is never sent to our servers.
Do you have multiplayer games?
Currently all games are single-player. Multiplayer and leaderboard features may be added in the future based on user demand. Use the Contact page to request features.