Happy Thanksgiving from the Portal. The Gathering, a harvest cipher maze, is free to play until 30 November. Enter The Gathering

New game

Cipher Storm

Encrypted words fall through the rain. Crack each wave's key and type the plaintext before they land. Free, on desktop or phone. Daily Storm #26 is live: the same storm for everyone today.

Also new: 📡 Daily Intercept

Matrix Portal

Crack the code. Walk the maze.

Cipher puzzles you solve inside 3D mazes, right in your browser. Every answer opens a gate and is the key to the next one.

Free to start · nothing to download · works on your phone with one thumb · create a free account to keep your score

Thanksgiving at the Portal. Happy Thanksgiving from the Portal. The Gathering, a harvest cipher maze, is free to play until 30 November. Enter The Gathering · until 30 November →

📡 Today's intercepts

Play →

Three new cipher puzzles every day, the same for everyone. Free, no account needed, works on your phone.

Daily leaderboard →

What's new

All releases →

15 new chains and 10 new mazes every month. So far in November: 7 chains and 4 mazes.

Walk the mazes

All 24 mazes →

First-person 3D mazes. Find the terminals, crack each cipher to open its gate, and collect the data fragments for a hidden bonus message.

Break the chains

All puzzles →
  1. Read the intercept. Each stage is a scrambled message and a short story clue.
  2. Pick your tools. Shift it, swap it, count the letters. The workbench is built in.
  3. Unlock the next stage. Your answer is the key to the one after it.

New to ciphers? The five tutorials need no account and teach binary, Caesar shifts, sequences and logic grids. Elite adds 48 harder chains.

38 free cipher tools

All tools →

Encoders, decoders and code-breaking helpers. No account, no limits. Know how one works? Try it against a real puzzle.

More to do

Top solvers

Full board →
  1. 1@5a78756d34336131106,197 pts
  2. 2@lysander90,237 pts
  3. 3@subscriber28,258 pts
  4. 4@music27,435 pts
  5. 5@unsubmemes7,851 pts

👑 Go Elite

  • Every maze and every chain, including each month's new releases
  • New games as they launch, with their Elite modes
  • Your own maze builder, and a place in the gallery
  • Unlimited workbench steps and saved recipes
  • The Daily Intercept archive and streak protection
  • Cipher Storm's Relaxed, Fast and Advanced modes
  • No ads

Founding member rate for the first 500 members: $2.99 a month, or $24.99 a year, locked in while you stay a member.

See Elite