A riddle is a type of puzzle or question that is tricky and hard to solve. It often uses wordplay or a play on words to give clues, making it a fun challenge to figure out. Full definition
Millions of PCs ship with bloatware riddled with security flaws, say researchers (ZD Net) Used to be, you wanted all the software that came with a new PC. (ebookevangelist.com)
Scrap from an old particle accelerator helps solve riddle of how chemical elements are created in supernovae (newscientist.com)
It tasks players with solving riddles and puzzles in a watercolor - styled world. (cliqist.com)