HomepageatomdruidPopular puzzles created by atomdruid Popular puzzles created by atomdruid 108Pena Palace in Sintra (Portugal)atomdruidsolved 2,451 timesSolve puzzle176Old Town of Basel (Switzerland)atomdruidsolved 1,695 timesSolve puzzle192Half-timbered tenement houses in Petite France quarter of Strasbourg (France)atomdruidsolved 1,331 timesSolve puzzle