Hard
Puzzle for smarties
High difficulty • 25x25
60 questions
0
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Hard
A secret under seven seals
High difficulty • 25x25
58 questions
0
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Hard
Museum of Riddles
High difficulty • 25x25
60 questions
0
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Hard
Spring awakening
High difficulty • 25x25
58 questions
0
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Hard
Riddles of the spring drip
High difficulty • 25x25
57 questions
0
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Hard
Arguments and facts
High difficulty • 25x25
45 questions
0
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Hard
Fascinating puzzles in science and technology
High difficulty • 25x25
56 questions
1
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Hard
World history and culture
High difficulty • 25x25
59 questions
0
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Hard
Encyclopedia of Mind
High difficulty • 25x25
67 questions
0
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