2021 Contest Puzzles

Contest puzzles can be accessed using the drop-down menu or through the links below. Mean user ratings are shown for puzzles whose submission deadlines have passed. Click the + sign to see the full distribution of ratings.

Month Puzzle Solution Stars * Sweat ** # Correct *** PUZ
January Double Meaning Solution

4.02

  • 5
  • 12
  • 60
  • 145
  • 104

1.98

  • 187
  • 152
  • 101
  • 35
  • 2

612 Unlocked Puzzle
February Support System Solution

4.19

  • 2
  • 5
  • 45
  • 132
  • 119

2.16

  • 94
  • 181
  • 123
  • 17
  • 1

504 Unlocked Puzzle
March Moving Target Solution

4.38

  • 0
  • 15
  • 22
  • 126
  • 182

3.00

  • 18
  • 89
  • 198
  • 99
  • 12

494 Unlocked Puzzle
April Title Search Solution

4.19

  • 1
  • 5
  • 42
  • 99
  • 103

2.87

  • 16
  • 85
  • 146
  • 41
  • 18

339 Unlocked Puzzle
May After Three Solution

4.40

  • 1
  • 4
  • 17
  • 64
  • 104

3.44

  • 2
  • 18
  • 109
  • 75
  • 23

236 Unlocked Puzzle
June Triple Switching Hour Solution

4.32

  • 2
  • 4
  • 18
  • 90
  • 102

3.54

  • 0
  • 20
  • 99
  • 95
  • 28

270 Unlocked Puzzle
July Make It Count Solution

4.38

  • 0
  • 2
  • 15
  • 78
  • 90

3.21

  • 7
  • 29
  • 92
  • 63
  • 11

253 Unlocked Puzzle
August 2 State the Obvious Solution

4.29

  • 0
  • 3
  • 25
  • 85
  • 91

3.30

  • 4
  • 29
  • 99
  • 80
  • 12

221 Unlocked Puzzle
September Odd Men Out Solution

4.22

  • 1
  • 1
  • 25
  • 99
  • 74

2.86

  • 14
  • 54
  • 102
  • 48
  • 2

272 Unlocked Puzzle

* Stars represent the average user overall rating on a scale of 1 (the worst) to 5 (the best).

** Sweat represents the average user difficulty rating on a scale of 1 (easiest) to 5 (hardest).

*** # Correct is how many users correctly solved the meta.