FAQ
Questions about Machia
Machia is Battle by Numbers: a daily puzzle that revives Rithmomachia, the game European scholars played for five centuries alongside chess. One board a day, the same board for everyone. Capture pieces with arithmetic: equal numbers, sums, and multiplication across the gap. Free, in your browser, no account, no ads, ever. By Centone Games.
Free. In your browser. No account. One tap to enter.
Is Machia free?
Yes. Machia is free, in your browser. No need to make an account, and no ads, ever.
Do I need an account?
No. You can play without making an account. Your progress is kept in your browser, on the device you use.
Is there a new battle every day?
Yes. One board a day, and everyone gets the same board. Around it there are lessons, warm-ups, skirmishes and an Endless mode. A new board arrives at midnight, your local time.
Can I play old battles?
Yes. Past boards stay in the game, listed by date, so you can go back to one you missed.
What is Rithmomachia?
The game European scholars played for five centuries alongside chess. Its pieces carried numbers and captured by arithmetic. Machia revives it as one battle a day. Read the history
Is this a maths game?
It uses arithmetic you already know: equal numbers, adding two numbers, and multiplying a number by a count of empty squares. The work is in choosing where to move, not in the sums.
Does it work on my phone?
Yes. It runs in your phone's browser, with nothing to install.
Who made it?
Centone Games, a solo developer in the UK.
Where does my data go?
This site sets no cookie. It logs page views, with no IP address and no id. The game is separate: your progress is kept in your browser. Coming in sets one cookie that lets you back in, and records how you play. You can turn that off whenever you like. There is no account and there are no ads. The privacy page says exactly what each one records.
Free. In your browser. No account. One tap to enter.