BV Locksmith

Match the cuts. Hear the tumblers. Become a master locksmith.

How to Play

  1. Each key has a numbered pattern of cuts, read from left to right. The lock clue gives the pattern it needs. For example, a lock needing cuts 2, 5 matches the key with cuts 2, 5.
  2. Use Previous Key and Next Key to move either way around the key ring. The selected key's full pattern is written and announced.
  3. Listen to Tumbler Clicks plays one group of recorded clicks per tumbler. One click means cut 1; two clicks means cut 2, and so on. A long pause separates tumblers. Pressing Listen or L again during the same clue lets the current count finish; it does not restart it. Key number is only a label: key 3 can have cuts 1, 5. Compare the cut pattern, not the key number. The written clue always gives the same information, so sound is optional.
  4. Try the matching key. After opening a lock, press Continue when you are ready. There is no time limit.
  5. Play 12 levels, with seven locks per level. Higher levels add more keys and more tumblers. Choose any starting level for practice.

Keyboard inside the lock bench: Right Arrow, N or K: next key. Left Arrow, P or Shift+K: previous key. C: read clue. L or Ctrl+Alt+L: hear lock cuts. J: hear selected key cuts. H: status. T: try selected key. U: continue after opening a lock. Space on the bench: try key. Tab to any button and use Enter or Space normally.

JAWS users can read all clues as text or use Forms Mode for game shortcuts. If JAWS treats L as a list-navigation command, press Insert+3, then L to pass the key to the game, or use the Listen button. Ctrl+Alt+L also triggers the lock clue. Focus stays on the current control while selecting keys or replaying sounds. After a lock opens, focus moves to Continue; starting or continuing places focus on Read Clue. Tab and Shift+Tab can leave the game normally.

Challenge Settings

Ready to compare lock and key cuts.

A four-second introduction of jingling keys, a lock opening, and a musical flourish marks the start when effects are enabled. The first clue announcement follows the intro. Click clues play only when requested. Lock and key comparisons use exactly the same click sound and timing. Written clues are always available.

Lock Bench

Choose your starting level, then start the challenge.

Level: 1 of 12. Lock: 0 of 7. Opened: 0. Attempts: 0. Score: 0.

Lock clue

Your lock's required cut pattern will appear here.

Your key ring

No key selected.

Read all key patterns

    Start the challenge.

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