Learn Cybersecurity
in a Realistic Game
Build and defend your network, attack your enemies to steal their flags, team up with friends.
No Setup Required
No installation or setup required. Everything runs in your browser. Just one click to get started.
Free to Play
Game is free to play with optional paid plan. No pay to win features. Game resets every month to keep the competition fresh.
Realistic Scenarios
Go beyond isolated CTFs with full recon-to-exploit scenarios that mirror real-world hacking workflows.
Arena
Build your network, defend it, and steal flags from other players.
Enter a gamified cybersecurity arena where every player builds and defends their own network. Attack other players' networks, find weak services, steal flags, and protect your own infrastructure from incoming attacks. Arena chat, faction pressure, leaderboards, and live competition turn practice into a social hacking experience.
Interactive Network Map
See devices, services, and weak points in one map.
Explore dynamic network topologies with interconnected devices, services, and vulnerabilities. Understand how systems relate, where weaknesses lie, and how attackers move laterally across a network, making every decision strategic.
FlagHack Shell
Learn the attack flow inside a guided terminal.
___ _ _ / __\ | __ _ __ _ /\ /\__ _ ___| | __ / _\ | |/ _` |/ _` | / /_/ / _` |/ __| |/ / / / | | (_| | (_| | / __ / (_| | (__| < \/ |_|\__,_|\__, | \/ /_/ \__,_|\___|_|\_\ |___/┌──(user@attacker)-[~]
└─$nikt0 192.168.0.1:80CWE-79 Cross-Site Scripting (XSS)
A gamified shell environment that teaches by doing. Interact with a realistic terminal interface designed for learning offensive security techniques. From scanning to exploiting, the FlagHack Shell walks you through the commands, tools, and decision-making used by real hackers.