Collection: Intermediate puzzles

Intermediate puzzles: the right challenge Looking for a real challenge, without tipping into extreme difficulty? This level 3 selection is made for you. Neither...

Intermediate puzzles: the right challenge

Looking for a real challenge, without tipping into extreme difficulty? This level 3 selection is made for you.

Neither too simple nor too complex, these puzzles call for patience and a bit of method — perfect for teenagers and adults.

The most versatile level in the collection, to progress at your own pace.