NOT KNOWN DETAILS ABOUT TIC TAC TOE AGAINST REAL PEOPLE

The main .io game was Agar.io. It was produced by Matheus Valadares in 2015 and received significant popularity as a result of the internet forum 4chan. The game revolves all around cells that improve by having agar and consuming other players. A handful of months right after its launch, the game was obtained by Miniclip, and a new game style began