What is CTFd

Features

Create your own challenges, categories, hints, and flags from the Admin Interface

• Dynamic Scoring Challenges
• Unlockable challenge support
• Challenge plugin architecture to create your own custom challenges
• Static & Regex based flags
• Custom flag plugins

Unlockable hints

• File uploads to the server or an Amazon S3-compatible backend
• Limit challenge attempts & hide challenges
• Automatic bruteforce protection

Individual and Team based competitions

• Have users play on their own or form teams to play together
• Scoreboard with automatic tie resolution
• Hide Scores from the public
• Freeze Scores at a specific time

Scoregraphs comparing the top 10 teams and team progress graphs

Markdown content management system

MTP + Mailgun email support

• Email confirmation support
• Forgot password support

Automatic competition starting and ending

Customize everything using the plugin and theme interfaces

Importing and Exporting of CTF data for archival