The Categories

General

(28 puzzles)

Puzzles that lack any one specific category

(49 puzzles)

Adding, multiplying, subtracting.. how hard could it be?

(14 puzzles)

If a train leaves grand central at 12:00...

(17 puzzles)

Quick brain teasers or challenges for social scenarios

(45 puzzles)

Using only common sense, work out the following...

(31 puzzles)

Letters, words and stuff.

(16 puzzles)

Oh.....obviously.....

(5 puzzles)

Anything that makes your head hurt, plays with your mind, or is just weird to look at.

(2 puzzles)

Given a bitwise operation can produce exactly four outputs...

(2 puzzles)