Turn Hay-on-Wye, the world-famous Town of Books, into your own personal treasure hunt. This self-guided adventure sends you through charming medieval streets and secret alleyways, solving 20 cryptic clues on your phone as you go. No rush, no group of strangers, no app to download: just you, your crew and a town full of secrets waiting to be cracked. Along the 2.5 km route you'll pass Hay Castle's 900-year-old walls, the Three Tuns Inn and the Broad Street clocktower, discovering the stories behind them as each answer unlocks the next step. Stuck? Hints keep you moving. Competitive? Rack up points and climb the leaderboard against players from around the world. Perfect for families, couples and groups, and dog-friendly too. One purchase covers everyone playing on one phone, or buy on multiple devices and race each other in team mode. Created by local walking guide Sarah Price, who knows every corner of this town.