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3 votes
1 answer
31 views

The order of the integers as prefixes of perfect squares

4 votes
2 answers
301 views

Fill in the vowels of "vctrrbs"

0 votes
1 answer
117 views

Is this an effective way to solve Mastermind?

16 votes
1 answer
644 views

Make 1-10 with 1, 2, 3, 4... but the 1s are lying!

3 votes
1 answer
216 views

Teachers, Textbooks, and Treats

7 votes
3 answers
835 views

Where did I leave my keys?

10 votes
2 answers
304 views

Rock-paper-scissors - playing to win, with some restrictions.

9 votes
2 answers
239 views

Crossing sums, all different

4 votes
3 answers
3k views

Pigpen cipher decoding makes no sense, can somebody decode it?

13 votes
1 answer
364 views

A twisted cryptic crossword puzzle!

5 votes
1 answer
294 views

Cryptic, then Crossword, then Clues

13 votes
1 answer
288 views

Shakashaka: Cross products

8 votes
1 answer
285 views

crossword without clues

8 votes
1 answer
184 views

Portal Yin-Yang: The brain-breaker

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