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isaacg
  • Member for 9 years, 8 months
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11 votes
4 answers
3k views

Why, crystal ball? Why?

7 votes
4 answers
2k views

Fair d5 with as few faces as possible

19 votes
2 answers
1k views

What extra number did I form?

8 votes
1 answer
1k views

Decipher the Picture

11 votes
1 answer
918 views

A mysterious importance

13 votes
1 answer
591 views

What's special about blowzier?

8 votes
1 answer
508 views

Decipher this sentence, written in an original cipher

8 votes
1 answer
331 views

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

9 votes
1 answer
311 views

Designing a four-pan scale

2 votes
4 answers
273 views

Extend the sequences of numbers and names