One Year of Pwning,Still Unstoppable.
From a bold idea to India's most trusted CTF platform — 2,800+ players, 50+ events, and countless flags later, we're just getting started.
Trusted by 500+ cybersecurity professionals
The Unwritten Legacy
Decode the hidden cipher embedded within a historical document archive...
VM Madness
Analyze a custom bytecode VM to extract the flag hidden in its execution flow...
The Final Message
Recover fragments of a deleted communication from a disk image and network capture...
Partnered with Leading Institutions
- Web Exploits
- Cryptography
- Reverse Engineering
- Forensics
- OSINT
- Binary Exploitation
- Network Security
- Steganography
- Malware Analysis
- Cloud Security
- Web Exploits
- Cryptography
- Reverse Engineering
- Forensics
- OSINT
- Binary Exploitation
- Network Security
- Steganography
- Malware Analysis
- Cloud Security
365 Days of Building, Learning & Growing
From a simple idea to India's most trusted CTF platform — here's how the first year unfolded.
Zero Day Arena Launched
Platform went live with core CTF hosting, dynamic scoring, and real-time leaderboard.
First 500 Players
Crossed 500 registered players within the first month. HEX HUNT v3 onsite event with 60+ teams.
IIT Partnerships
Partnered with IIT Kanpur & IIT Roorkee for collaborative CTF events and workshops.
Anti-Cheat Engine v2
Launched Investigation Center with IP overlap graphs, suspicion scoring, and automated flag-sharing detection.
1,000+ Players Milestone
Hit 1,000+ registered players. Introduced 130+ custom themes and profile card generator.
Store & VPN Blocking
Launched the merchandise store. Added VPN/Proxy blocking for onsite event integrity.
2,500+ Players
Community grew to 2,500+ players. 40+ events completed across 12 partner institutions.
1st Anniversary
Celebrating 1 year with 2,800+ players, 350+ challenges, 50+ events, and counting.
Our Impact So Far
Every number tells a story of trust, effort, and community.
From Setup to Scoreboard in Minutes
Our streamlined workflow takes you from challenge creation to winner declaration — no complex setup, no DevOps headaches.
Upload Your Challenges
Add challenges via our dashboard or import them in bulk. Set categories, difficulty, points, and flags — it takes under 5 minutes.
- ✓ bulk_import_csv
- ✓ dynamic_scoring_engine
Title
Category
Points
Participants Join & Play
Share a link — participants register, form teams, and start solving. Everything syncs in real-time across all devices.
- ✓ instant_team_sync
- ✓ role_based_access
Track Progress Live
Watch rankings update the moment a flag is submitted. The scoreboard is instant — no page refresh needed.
Wrap Up & Share Results
Generate winner reports, export analytics, and let participants download their profile cards to share on social media.
What Sets Us Apart
Features you won't find on any other CTF platform — built from real organizer feedback.
130+ Custom Themes
Let participants pick their vibe — terminal green, cyberpunk purple, or neon blue. Each theme changes the entire UI through CSS variables.
Investigation Center
Catch cheaters with IP overlap graphs, suspicion scoring out of 100, and automated flag-sharing detection between teams.
Live Geo-Tracking
See where your participants are connecting from on a live map. Useful for verifying onsite attendance and blocking remote access.
Profile Card Generator
Participants can generate shareable profile cards in 1:1, 9:16, or portrait format with their stats, rank, and event details.
Dynamic Scoring
Points automatically decrease as more teams solve a challenge. Keeps competition fair without manual intervention.
VPN & Proxy Blocking
For onsite events, block VPN and proxy connections to ensure participants are physically present. Whitelist specific IP ranges.
Player Skill Radar
Visualize player performance across 6 metrics: Accuracy, Speed, Team Play, Points, Attempts, and Consistency.
Real-Time Alerts
Toast notifications, full-screen announcements, and sound effects for first bloods, hints, and admin broadcasts.
Anti-Brute Force
Temporarily locks a challenge for a team after too many wrong attempts. Configurable cooldown and attempt limits.
Your Admin Dashboard
Manage challenges, monitor teams, and control your entire event from one place.

What Organizers Say About Us
Hear from event organizers and participants who've been part of the Zero Day Arena journey.
"Zero Day Arena completely transformed how I practice and compete. The real-time leaderboard keeps the adrenaline pumping."
"The variety of challenges and the team management features make this the best CTF platform I've used."
"Our team has grown significantly since we started competing on Zero Day Arena. The platform is rock solid."
Plans that fit every event
Whether it's a college workshop or a national-level CTF — we've got you covered.