Puzzle 1
What is the missing number in this sequence:
4 · 9 · 28 · 125 · ? · 5047 · 40328
Puzzle 2
Place letters into the grid such that every row, column, and 2 x 2 block has letters (in any order) that form a common word. Each letter is only used once, and no letter is repeated in the rows / cols / blocks.
Letters allowed: W A R M T H
| V | O | L | |
| S | I | ||
| B | O | ||
| A | E | L |
Note: this puzzle is not interactive, and the squares cannot be clicked.
Puzzle Copyright © Alan Stillson and Frank Longo
Puzzle 3
Below, 9 nine-letter words have been broken into chunks of three letters.
The chunks have been moved around, no chunk is used twice, and all of the chunks are used.
Can you determine what the 9 words are?
ome clo ere ref int ere
bar ple pin ise phy gra
hni bio ewh eap sor fes
tec ckw som que tpr pro
nce ter foo
Puzzle 4
Hidden in the grid below are six hidden animals. The letters are in sequence, but you move from letter to letter using the moves of a chess knight.
Once you have crossed off all of the animals, you will be left with seven unused letters. What animal do these letters spell?
| O | I | A | A | L | T | F |
| R | E | E | R | F | N | H |
| K | P | G | L | N | A | E |
| G | D | A | N | L | E | T |
| O | A | O | A | H | G | E |
| A | O | R | M | P | E | P |
| S | O | T | T | A | E | R |
The moves of a knight are:

Note: this puzzle is not interactive, and the letters cannot be clicked.