Create an account

Accounts let you propose exercises, track them and polish accepted ideas. After registering you will get one confirmation email — click the link inside, and the assistant activates your account (usually within an hour or two).

Your name (shown next to published exercises, if you agree) Username (lowercase letters, digits, underscore) Email (never published) Password — 10+ characters, with at least one letter and one digit Solve it to prove you're a human (refresh)

By requesting an account you accept our terms (keep it kind: one violation removes the account) and our privacy notice.

Request account