"Challenging riddles designed to push your brain to its limits. Secret History uncovers the forgotten, mind-blowing facts ...

Browse 3,500+ mystery riddles stock illustrations and vector graphics available royalty-free, or start a new search to explore more great stock images and vector art. Silhouette of the famous private ...

Can you guess the country name in 5 seconds? Improve your cognitive skills with the picture puzzles and sharpen your mind and ...

If you are looking for some stories to puzzle over, this month's RTÉjr Book Club picks focus on mysteries, puzzles and ...

GET /category/number Get specified no. of riddles. POST /category Add a new riddle. PATCH /category/id Update an existing riddle. DELETE /category/id Deletes an existing riddle. In case of any error, ...