Tic tac toe is older than you think. From Roman stone boards to the first computer game ever made, here's the surprisingly rich history of noughts and crosses.

A look at everything that shipped this month: a fully server-based online mode that actually works, turn alternation, the tictoe.org logo and favicon, and a handful of smaller improvements.

TicToe.org is live. Three game modes, a clean interface, and no sign-up required — here's what we built and why.