Coding Games

CodinGame - The new way to improve your programming skills while having fun and getting noticed.

Cybersecurity Games

HackTale - Games simulating different attack scenarios focusing on different aspects of cyber-defense

Security Champion - Simulated Cyber Attacks

Pwnie Island - Limited-release, first-person, true open-world MMORPG set on a beautiful island where anything could happen. That's because this game is intentionally vulnerable to all kinds of silly hacks!

Websec - Because you can't resist a good: .php?id=

Reverse Engineering

Flare On Challenge - Binary challenges

IO Wargame - Binary challenges utilizing radare2 and gdb

Wargames

pwnable.kr - Provides various pwn challenges regarding system exploitation

OverTheWire - Over 10 different wargames to learn and practice security concepts

Tabletop Games

OWASP Cornucopia - OWASP Cornucopia is a mechanism in the form of a card game to assist software development teams identify security requirements in Agile, conventional and formal development processes. It is language, platform and technology agnostic.

OWASP Snakes and Ladders - Snakes and Ladders is an educational project. It uses gamification to promote awareness of application security controls and risks, and in particular knowledge of other OWASP documents and tools.

The Security Cards - The Security Cards encourage you to think broadly and creatively about computer security threats.

Pivots & Payloads - The board game takes you through pen test methodology, tactics, and tools with many possible setbacks that defenders can utilize to hinder forward progress for a pen tester or attacker. The game helps you learn while you play. It's also a great way to showcase to others what pen testers do and how they do it.

Backdoors & Breaches - Backdoors & Breaches contains 52 unique cards to help you conduct incident response tabletop exercises and learn attack tactics, tools, and methods

More Games - More Tabletop games can be found here.