Digital field expedition exploring 10 heritage, culinary, and cultural checkpoints around Dong Xuan Market & Hoan Kiem Lake. Teams decipher clues, tackle challenges, and submit live evidence directly on the interactive map.
Real-time GPS positioning, automatically unlocking within 20m.
Decipher Morse signals, local history, and ancient riddles.
Capture field check-in photos and submit for instant verification.
Real-time referee scoring with dynamic live ranking updates.
Enter the 4-digit PIN provided by the Organizers to start