HomepageKoa Koa Follow Puzzles recently added by Koa See all puzzles added by Koa154Koa's PuzzleKoasolved 4 timesSolve puzzleSee all puzzles added by Koa Popular puzzles created by Koa See all the popular puzzles created by Koa154Koa's PuzzleKoasolved 4 timesSolve puzzleSee all the popular puzzles created by Koa Puzzles recently solved by Koa See all the puzzles Koa has completed96Avila City Walls (Spain)(c) Alexandra Gnatush-kostenkosolved 1,821 timesSolve puzzle88Ruins of the Wall of Constantinople in Istanbul (Turkey)Tatiana Popovasolved 1,797 timesSolve puzzle108Marmaria in Delphi (Greece)Santiago Rodriguez Fontobasolved 1,089 timesSolve puzzle80Stone ruins of ancient Pergamon (Turkey)Alexander Khripunovsolved 1,046 timesSolve puzzle96Pyramid in Tikal (Guatemala)(c) miaraysolved 1,067 timesSolve puzzle60Colloseum in Rome (Italy)(c) Danilo Ascione - FOTOLIAsolved 2,996 timesSolve puzzle70Machu Picchu (Peru)(c) Alexander Van Deursen - FOsolved 2,350 timesSolve puzzle70Parthenon (Greece)(c) Paul Fisher - FOTOLIAsolved 1,729 timesSolve puzzleSee all the puzzles Koa has completed