Skip to content
Lock Challenge
100% free — no sign-up required

Free tools for game designers

Build escape rooms, treasure hunts, and riddle games faster with these instant generators. Works on any device, results in seconds.

Go further

Lock any content behind a challenge

Use Lock Challenge to hide a prize code, a link, or a surprise message behind any of these puzzle types. Your players solve it on any device — no download, no account.

Create a free lock →