Gustav achievements
Gamer I Degree
Complete 5000 puzzles on Easy difficulty level
Traveler II Degree
Complete 500 puzzles from Cities of the world, Countries category on Easy difficulty level
Animal lover V Degree
Complete 10 puzzles from Animals category on Easy difficulty level
Party King IV Degree
Complete 50 puzzles from Holidays category on Easy difficulty level
Art critic II Degree
Complete 500 puzzles from Art category on Easy difficulty level
Sportsman IV Degree
Complete 50 puzzles from Sport category on Easy difficulty level
Astronaut II Degree
Complete 500 puzzles from Space category on Easy difficulty level
Techie V Degree
Complete 10 puzzles from Technics category on Easy difficulty level
Historian IV Degree
Complete 50 puzzles from History category on Easy difficulty level
Collector III Degree
Complete 100 puzzles from Stuff category on Easy difficulty level
Architect IV Degree
Complete 50 puzzles from Architecture category on Easy difficulty level
Homebody II Degree
Complete 500 puzzles from Home category on Easy difficulty level
Master IV Degree
Take place from 11 to 100 in the player rankings at the Easy difficulty level.