Nunca Cuatro is an interactive online game featured by La Nacion that invites players to fill every empty box with either a circle or a cross. The main challenge lies in ensuring that no row, column, or diagonal contains four identical symbols aligned in sequence. Players engage with this game strategically, trying to avoid overcrowding lines with either symbols while completing the grid.

Once the players manage to fill all the boxes, an option labeled 'view solution' will appear next to the 'reset' button, allowing players to verify their answers online. This adds a reflective element to the gameplay, promoting cognitive skills and providing an instant feedback mechanism. Players are encouraged to engage with the game's core mechanics that challenge their problem-solving abilities.

Additionally, La Nacion invites players to share their experiences, feedback, and suggestions about its online games by contacting the provided email address. This highlights the publication’s commitment to enhancing user engagement and improving their gaming experience, as well as offering a community for players via their WhatsApp channel.