Homepageprof. Raven BlackPopular puzzles created by prof. Raven Black Popular puzzles created by prof. Raven Black 20Surprised Sivvaprof. Raven Blacksolved 542 timesSolve puzzle15Doggelprof. Raven Blacksolved 28 timesSolve puzzle48Puzzle Sivvaprof. Raven Blacksolved 22 timesSolve puzzle54Incendio for the persistentprof. Raven Blacksolved 18 timesSolve puzzle63G&H - Cream Piwerkoprof. Raven Blacksolved 18 timesSolve puzzle