Find answers to Matthew Parker’s decoder, Eugene’s Sudoku puzzles and other articles related to the characters and adventures that happen in the town of Odyssey.

## Most Recent

### Matthew’s Decoders 2020

Learn how to write secret codes like “junior detective” Matthew Parker.

### Eugene’s Puzzles 2020

Can you solve these challenging number puzzles?

### Matthew Parker’s Decoder #2012-10

Do you remember all those strange arrows from the October 2012 edition of Clubhouse? Here they are again. How It Works: To bust this creepy

### Matthew Parker’s Decoder #2014-01

Troubled by the tea code in the January issue? Here it is again: How It Works To decipher this code, you must add up the

### Eugene’s Sudoku February 2016

Greetings and salutations! Have you solved this month’s perplexing puzzle? If you think you have the answer, click on the image below.

### Eugene’s Mystery Math Squares #22

Greetings and salutations! In addition to determining the desired numerical sequences, this month’s puzzle asks you to build equations. Complete the grid so that each

### Matthew Parker’s Decoder #2014-02

Did February’s coin code make any cents to you? Here it is again: How It Works To decipher this code, first arrange the coins in

### Sky Sox Sudoku Solution

Complete the grid so that each row, column and three-by-three box contains the letters CHIRPTONE. (You can’t have any repeated letters in a line or