Writeups

Reproducible solves, failed turns, and the detail needed to learn from both.

Filter archive

Every filter is reflected in the URL, so any result set can be shared.

2 writeups

Alice and Bob had a brief exchange, and now they know something which I do not. Would you please help me to drop some Eves?

dot dot dot

Open record

Source files, challenge attachments, and revision history remain available in the public repository.

Public archive

Technical records and post-event analysis

Reproducible solves, failed turns, and the detail needed to learn from both.

Every filter is reflected in the URL, so any result set can be shared.

2 writeups

Alice and Bob had a brief exchange, and now they know something which I do not. Would you please help me to drop some Eves?

dot dot dot

Open record

Source files, challenge attachments, and revision history remain available in the public repository.