Riddlin: Puzzle & Mystery

Pull a card, read a riddle, think a moment. Daily brain teasers: logic, words, math, mystery, lateral thinking. Compete with past best and build a vault of solved puzzles

Riddlin is a vault of riddles, organized as a court at midnight. Velvet on the walls, gold trim on the cards, candlelight on the page. The user pulls a card from the day's deck and reads what is written.

The riddles span six categories. Logic — clean deduction puzzles where the answer is hiding in the conditions stated. Wordplay — puns, anagrams, hidden meanings, riddles that turn on a single ambiguous word. Math — puzzles that look like math but are usually patterns. Lateral — Edward de Bono-style riddles where the obvious answer is wrong and the real answer is sideways. Mystery — short detective scenarios where you spot the impossible detail. Visual — brain-teasers that ask you to look at a diagram and notice what does not belong.

Each riddle has three hints in case you get stuck. Each hint costs a little from your potential score. If you give up, the answer is revealed with a small explanatory paragraph. If you solve it, the card joins your vault and you keep your streak alive.

Tournament mode pulls a curated deck of five riddles and runs them in sequence — your time and accuracy combine into a final score, compared against your past tournament best. Practice mode shuffles infinite riddles from the library for casual play. Custom riddles let you author your own challenges and share them as a deep link to a friend, who imports the riddle into their Vault and solves it on their own time.

The library holds hundreds of curated riddles drawn from classical tradition, modern lateral-thinking collections, and original compositions written for this app. Difficulty ranges from beginner ("what comes next: A, C, E, G, ...") to insane ("you are in a room with three switches and three lightbulbs in a sealed room you can enter only once"). Six bundled categories with their own color-coding throughout the visual interface.

A vault of finished riddles. A daily card. A tournament for the score-curious. A practice mode for the bored. A custom-riddle workshop for the makers. Made for adults who like thinking.