Nunca Cuatro is an innovative online game presented by La Nacion that challenges players to fill empty squares with circles or crosses. The twist of the game lies in the rule that prohibits having four identical symbols lined up in a row, column, or diagonal, adding a layer of complexity and strategic thinking.

Once players have filled all the squares, a 'view resolution' option appears next to the 'restart' button, allowing players to check their answers online and ensuring they can learn from any mistakes made during the game. This interaction enhances the overall experience and encourages players to improve their skills.

La Nacion emphasizes their commitment to player feedback, encouraging users to share their observations, concerns, or suggestions for their online games through direct messaging, indicating a focus on community involvement and continuous improvement in their gaming offerings.