Enjoy Tic Tac Toe game from 3D Relax, also named noughts and crosses. It is a paper and pencil game between 2 players, O and X, who alternate in marking the spaces in a 3×3 board and now this is available for PC players! This game trains logic, attention and concentration, and though it seems elementary, winning this is a challenge. TTT Trio features a field endlessly expanding to all sides and instantly changing skins.