Starting at Calle de Alcalá 48, by Plaza de Cibeles, you'll open the Explorial app, enter the 6-digit game code that you received by text and Viator chat message, and start solving. The tour is fully self-guided — no guide, no fixed start time, just your group and the city.
First up is the Palacio de Cibeles, the wedding-cake palace that was built for postal workers, not kings — its spires and sculptures hold answers to the opening riddles.
Then the trail slips into the Parque del Retiro, once the private garden of Spanish monarchs, where clues lead you along shaded avenues rather than tourist queues.
Deep in the park waits the Palacio de Cristal, an 1887 glass pavilion raised for exotic plants from the Philippines — now a luminous exhibition space and a favourite photo task.
Around 2 hours total, with plenty of park benches when you want a break. By the end, Madrid's grand axis will have turned from backdrop into playground.
→ Book 1 ticket for each participant
→ You get one game code per booking by text or Viator message
→ Download the Explorial App from your app store
→ Open the app and enter provided game code (6 digits)
→ All particpants join the game with same game code
→ Book 1 ticket for each participant
→ You get one game code per booking by text or Viator message
→ Download the Explorial App from your app store
→ Open the app and enter provided game code (6 digits)
→ All particpants join the game with same game code