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isaacg
  • Member for 9 years, 6 months
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19 votes
2 answers
1k views

What extra number did I form?

13 votes
1 answer
585 views

What's special about blowzier?

11 votes
4 answers
3k views

Why, crystal ball? Why?

9 votes
1 answer
300 views

Designing a four-pan scale

8 votes
1 answer
499 views

Decipher this sentence, written in an original cipher

8 votes
1 answer
325 views

Four color a map - but go light on the fourth color!

8 votes
1 answer
1k views

Decipher the Picture

7 votes
4 answers
2k views

Fair d5 with as few faces as possible

2 votes
4 answers
270 views

Extend the sequences of numbers and names