Petra achievements
Gamer I Degree
Complete 5000 puzzles on Hard difficulty level
Traveler I Degree
Complete 1000 puzzles from Cities of the world, Countries category on Hard difficulty level
Animal lover IV Degree
Complete 50 puzzles from Animals category on Hard difficulty level
Party King V Degree
Complete 10 puzzles from Holidays category on Hard difficulty level
Art critic IV Degree
Complete 50 puzzles from Art category on Hard difficulty level
Sportsman V Degree
Complete 10 puzzles from Sport category on Hard difficulty level
Astronaut V Degree
Complete 10 puzzles from Space category on Hard difficulty level
Techie III Degree
Complete 100 puzzles from Technics category on Hard difficulty level
Historian IV Degree
Complete 50 puzzles from History category on Hard difficulty level
Collector V Degree
Complete 10 puzzles from Stuff category on Hard difficulty level
Architect II Degree
Complete 500 puzzles from Architecture category on Hard difficulty level
Homebody IV Degree
Complete 50 puzzles from Home category on Hard difficulty level
Master IV Degree
Take place from 11 to 100 in the player rankings at the Hard difficulty level.