Dennis achievements
Gamer V Degree
Complete 10 puzzles on Impossible difficulty level
Traveler V Degree
Complete 10 puzzles from Cities of the world, Countries category on Impossible difficulty level
Animal lover V Degree
Complete 10 puzzles from Animals category on Impossible difficulty level
Party King V Degree
Complete 10 puzzles from Holidays category on Impossible difficulty level
Art critic V Degree
Complete 10 puzzles from Art category on Impossible difficulty level
Sportsman V Degree
Complete 10 puzzles from Sport category on Impossible difficulty level
Astronaut V Degree
Complete 10 puzzles from Space category on Impossible difficulty level
Techie V Degree
Complete 10 puzzles from Technics category on Impossible difficulty level
Historian V Degree
Complete 10 puzzles from History category on Impossible difficulty level
Collector V Degree
Complete 10 puzzles from Stuff category on Impossible difficulty level
Architect V Degree
Complete 10 puzzles from Architecture category on Impossible difficulty level
Homebody V Degree
Complete 10 puzzles from Home category on Impossible difficulty level
Master V Degree
Take place from 101 to 500 in the player rankings at the Impossible difficulty level.