In ascending or descending order; Setup place all 36 game pieces in the outermost spaces on the board, with the like color pieces placed next to each other. Otrio Board Game, Board Games Family games, Board games I played with my 4 year old niece and my 55 year old mother and we all had a blast. Otrio board game rules . In your, turn you can place any one of your rings on any empty space on the board and it can never be moved. The rules are super simple, but it can actually be a tough challenge to win! This strategy board game takes tic tac toe to a whole new level! And as the board is made from solid wood, it is also a beautiful game to play. If you're looking for something a little different than the typical board game then you found it. The game was an immediate hit with all of the people present. Show off your smarts in a brainy showdown with otrio! The game ends when one player accomplishes this. Quick playtime, challenging for every age group, easy rules...