ONLINE TIC TAC TOE WITH LEADERBOARD THINGS TO KNOW BEFORE YOU BUY

The first .io game was Agar.io. It was developed by Matheus Valadares in 2015 and gained significant popularity through the web Discussion board 4chan. The game revolves around cells that mature by having agar and consuming other players. A handful of months immediately after its release, the game was acquired by Miniclip, in addition to a new game