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Len's user avatar
Len's user avatar
Len's user avatar
Len
  • Member for 9 years, 6 months
  • Last seen more than 8 years ago
4 votes
Accepted

A batch of four sequence puzzles

2 votes

Four similar triangles

4 votes

The German's are Experimenting

7 votes

My Wacky Neighbors (What am I?)

12 votes

A challenging visual puzzle

20 votes
Accepted

Without me, you cannot survive

3 votes

Geocaching Geometry Puzzle

8 votes
Accepted

Polyomino Z pentomino and rectangle packing into rectangle

4 votes
Accepted

Rebus puzzle (62ND S MAKE A single)

15 votes

Without me, you cannot survive

2 votes
Accepted

Placing n Queens on n x n board

11 votes
Accepted

Help! I've forgotten my phone's lock pattern!

7 votes

Band of Brothers

6 votes

Yet another group of five sequence puzzles

-1 votes

Please help with this geocaching puzzle

2 votes
Accepted

Goldbach Cryptarithm

7 votes
Accepted

Five sequence puzzles

33 votes
Accepted

How to solve this 7x8 grid with partially and completely filled squares?

5 votes
Accepted

Find the password of the man's PC

9 votes
Accepted

Find words that make a million

9 votes

Determine the next image in the sequence

12 votes

Whisky treasure-hunt: Cryptogram which refers to a place in Scotland

4 votes
Accepted

Marker and the cube

6 votes
Accepted

The ill-posed word-search: A sick puzzle

4 votes
Accepted

Where am I located?

17 votes
Accepted

What is the next number in this sequence? 0, 1, 11.2, 10.2, 113.2, 103, 103.2, 0.2, 1.2, 2.2, 2, …

13 votes

A five card trick - How does it work?

6 votes

Christmas Day Cryptogram / Riddle

10 votes

What is the cipher behind this circular cyphertext?

9 votes

Job Ad - A Legitimate Business needs discreet help. What do they need?