Doctor Who: Thirteen

About

Slide and merge tiles to regenerate through the Doctors. Tap or swipe to shuffle the grid until matching tiles combine. Each successful merge upgrades the Doctor to their next incarnation. The challenge grows as the board fills and options narrow. Mechanics are simple but progression demands careful planning. Based on the long-running TV series, this browser puzzle game blends nostalgia with a clean interface. 89% of players finish the game in under 30 minutes according to internal data. The Doctor’s shifting identities create a unique visual hook while the difficulty curve keeps replay value. No download required to play.