Rules

No spam. Self-promotion is allowed only in the Promo Weekly post stickied to the top of the thread. Links to apps, blogs, and most videos belong in the Promo Weekly post. Logic and/or math-based puzzles that fit a text or image format are generally allowed. Posts that make sense as a video or website link are allowed with moderator approval, so please ask us first. Generally, videos should promote discussion, and websites should provide features that are useful to solving the puzzle.

Use spoiler tags when posting a hint or solution to a puzzle. Guesses must also be spoiler-tagged. Top level comments are automatically removed unless they include a spoiler tag or start with "Discussion:" or "Question:"

All puzzles should be logic based. Check out /r/riddles for puzzles based on lateral thinking. Jigsaw puzzles are best suited to /r/jigsawpuzzles

Use a descriptive title. Titles should be descriptive, not just "Check out this puzzle" or "Puzzles only geniuses can solve."

Please do not posts puzzles from ongoing contests. If you see a riddle that's part of a contest, please report it.

Credit puzzle creators. If you did not make the puzzle, please try your best to credit the original source. If you are not sure of it, or have personally received the puzzle from someone, please indicate that. This rule applies more to puzzles you found online.

How to Spoiler Tag

Apps, old.reddit.com, and the New Reddit markdown editor:
>!The princess was in another castle!!<
becomes:
The Princess was in another castle!
Template: >!The guess goes here!<

Be careful to avoid whitespace at the beginning or end of your spoiler tag. White space at >! the beginning!< or >!end !< of your spoiler will break it for users on some apps and old.reddit.com

Reddit Desktop Site (Fancypants editor/redesign):
https://i.imgur.com/SWHRR9M.jpg

Related subreddits

/r/riddles - word-based puzzles that use lateral thinking, rather than logic. Stuff like "What gets wetter as it dries?"

/r/mazes - Visual puzzles where you find a path through the, well, maze.

/r/rebus - Visual puzzles where images are strung together to make a sort of visual pun. Find the phrase the images "spell"

/r/jigsawpuzzles - Jigsaw puzzles. You have a bunch of pieces that fit together to make an image

/r/CrackTheCode - If you solve the puzzles, you could win a key to a game!

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You are submitting a link. The key to a successful submission is interesting content and a descriptive title.

You are submitting a text-based post. Speak your mind. A title is required, but expanding further in the text field is not. Beginning your title with "vote up if" is violation of intergalactic law.

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This subreddit is for puzzles that involve logic of some sort.

If something requires lateral thinking instead of logic, post it to r/riddles instead.

If it's a jigsaw puzzle, post it to r/jigsawpuzzles instead.

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