Cardboard

Cardboard helps teams coordinate solving puzzle hunts. It manages and organizes puzzles, keeps track of team members, integrates with other solving tools, and more.

For help using Cardboard as a solver, see here.

For help setting Cardboard up for a hunt, see here.

For information about development, see the dev guide.

Features

• Seamlessly supports (almost) any puzzle hunt structure
• Create and assign tags to puzzles
• Quickly search and filter on puzzle names, rounds, and tags
• Remote-friendly! Real-time display of what everyone's working on at any time

Integrations

Google Sheets

• Creates a Google Sheet for new puzzles automatically
• Real-time display of how active each puzzle's sheet is, and who's currently editing it
• Cleans up unneeded sheets and automatically transfers answers into metapuzzle sheets

Discord

• Creates, manages, and archives Discord voice + text channels for each puzzle
• Announces new puzzles in a central channel
• Keeps tags synced with Discord roles
• Automatically @mention interested hunters when a puzzle with a specific tag is unlocked

Other

• Chrome extension to add new puzzles with one click
• Supports answer queues (anyone can submit answers to the queue, but only admins can mark them as correct)
• Dark and light modes