A puzzle includes all games that are tests of mental ability,

but a riddle strictly uses words only.

So, all riddles are puzzles, but not all puzzles are riddles

There are a lot of differences between a '' puzzle '' and a '' riddle ''. The puzzle plays major role to brain in solving some details. A logic puzzle is often a word problem, in which you use a special organized table to chart out the answer. But, the riddle is something difference from puzzle A riddle is a statement or question or phrase having a double or veiled meaning, put forth as a puzzle to be solved. Riddles are of two types: enigmas, which are problems generally expressed in metaphorical or allegorical language that require ingenuity and careful thinking for their solution, and conundrums, which are questions relying for their effects on punning in either the question or the answer

Riddles are questions which need ans using your generalknowledge and puzzles are completing the blocks

Same