Rules & Guidelines

Review this guide before participating in Nesters. Every competitor follows the same code to keep it fair, and competitive.

Competition overview

Dates
December 2 – 4, 2025
Platform
Online platform • Web browser required
Format
Jeopardy-style CTF featuring web, cryptography, forensics, binary exploitation, and OSINT challenges[1]
Team size
Up to 5 members per team
Eligibility
Open access — teams from any region welcome

Rules of engagement

Allowed

  • Collaboration within your verified team channel
  • Open-source tooling, shared scanners, and custom scripts
  • Discussion and strategy sharing via Nesters Discord

Strictly prohibited

  • Teams larger than registered member count or account sharing
  • Denial-of-service attacks or interference with platform infrastructure
  • Brute forcing flags, exploiting platform vulnerabilities, or sabotaging other teams

Flag policy

  • Format nesters{...}
  • Each flag is unique to a challenge; sharing solutions during the competition is disqualifying
  • Submission portal enforces rate limits — avoid rapid-fire guesses or automated submissions

Scoring & rankings

Live scoring updates after every challenge solve. The faster you complete challenges, the more points you earn. Track real-time rankings on the leaderboard for full breakdowns.

Event pulse

Active Teams

142

68 teams currently online

+15 since last refresh

Average Solve Time

58m

Last 20 solved challenges

-6m vs yesterday

Challenges Solved

1,247

Out of 48 released

+284 in the last hour

Logistics & support

Registration

Register by November 25 to secure your slot. Team confirmation within 48 hours.

Need adjustments? Email ops@duckurity.com.

Communication

Join the Nesters Discord for updates, challenge clarifications, and team networking[2].

Code of conduct

Respect the platform, fellow competitors, and the community. Report incidents to moderation immediately — repeat violations will disqualify your team from the competition.