Registration open

Winter GamesCapture the flag

A jeopardy-style CTF in the cold. Break web apps, crack ciphers and outthink the frost. Form a team, solve challenges, climb the scoreboard.

Register Log in Rules

Jeopardy style

Independent challenges across categories, each worth points. Solve them in any order.

Play as a team

Register, then create a team or join one with its team password.

Fair play

Attack the challenges, never the platform or other players. Read the rules before you start.

Event dates

Start and end times are announced here and on the scoreboard. Register now to be ready.

  1. Create your account on Register.
  2. Create a team, or join one with the team password your captain shares.
  3. Open Challenges once the games begin and submit flags.
  4. Follow the race on the Scoreboard.