Send someone a puzzle, not just a message.
Write a secret message, lock it behind riddles, dials or runes, and send it. They solve it to read what you wrote.
Solve it, and the message is yours.
Tap the seal
Today's puzzles
Two free puzzles every day, the same for everyone. Crack the cipher, open the vault, keep your streak going.
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How it works
Every puzzle is made by you, for one person, and opens only for them.
- Make itPick a look, write your message, and add a few locks: riddles, dials, jumbled letters, dates only they would know.
- Send itSend it as a file, or as a link that opens on any phone. The puzzle travels inside it.
- They solve itLock by lock, with hints if they get stuck. The last lock breaks the seal, and your message is theirs.
Our games
Tabletop adventures
Puzzle gifts
Puzzle Vault
Lock a message behind riddles, dials and wheels. They solve every lock to read it.
Love Letter Vault
A love letter that opens only when they answer questions only they would know.
Party Treasure Hunt Vault
A treasure hunt, clue by clue: printed cards, a phone, and a prize at the end.
Halloween Treasure Hunt
A Halloween treasure hunt, clue by clue: printed cards, a phone, and treats at the end.
Cipher Forge
Coded handouts for tabletop games: runes and ciphers on aged parchment, with keys and decoder wheels.
Game Master's Vault
Dungeon locks, traps and a loot reveal, for fantasy tabletop roleplaying games.
Play a free adventure ›Free games
Works on every device
What you buy is a file. It keeps working without the internet, and puzzles you send keep working after updates.
Computer
Open the file in your web browser. Make and play puzzles offline.
Send a puzzle as a file, or copy its play link.
Android
Open the file from your Downloads with Chrome. It works offline, like on a computer.
Send a puzzle as a file or a link.
iPhone and iPad
iPhones can't open saved puzzle files, so they use this website: make puzzles here with the unlock code from your download, and play any puzzle by tapping its link.