This is an organized, PR-able list of wargame sites. If you know of a (reasonable) wargame site not on this list (and there are definitely some), shoot me a PR. If there is a wargame site that is on this list that should not be there (and there are definitely some), shoot me a PR.
You can aggregate your score across many of these sites by registering on WeChall.
recommended wargame
beginner difficulty
downloadable challenges
no scoreboard
bitrotted
dead
only playable in language X
The chals below are listed with recommended ones first, then the rest in alphabetical order.
- PicoCTF
- root-me
- W3Challs
- WeChall
- archive.ooo
- CodeEngn
- CTFLearn
- Defend the Web
- ExploitExercises Main Sequence
- ExploitExercises Nebula
- hacker.org
- HackerGateway
- HackTheBox
- HackThisSite
- HallsOfValhalla
- HellBound Hackers
- Komodo CTF
- Ma's Reversing
- Mod-X
- NewbieContest
- OverTheWire Semtex
- 0x539
- RingZer0Team Online CTF
- SmashTheStack Logic
- VulnHub
- ksnctf
- akictf
- MNCTF
- 柚子胡椒CTF
- CpawCTF
- CpawCTF2
- YEHD 2015 CTF
- MAGURO β
- pwnable.kr
- pwnable.tw
- ExploitExercises Fusion
- ExploitExercises Phoenix
- HackSys Extreme Vulnerable Driver
- IO64
- IO
- Microcorruption
- OverTheWire Behemoth
- OverTheWire Drifter
- OverTheWire Manpage
- OverTheWire Maze
- OverTheWire Narnia
- OverTheWire Unomo
- OverTheWire Vortex
- pwn.college
- ROP.sh
- ROP Emporium
- pwnable.xyz
- alert(1) to win
- websec.fr
- webhacking.kr
- 0xf.at
- Google Gruyere
- HackerTest
- OverTheWire Natas
- Stereotyped Challenges
- XSS Game
- XSS game area
- XSS PwnFunction
Developing some core CS skills can be useful for security as well!
- Backdoor
- Bright Shadows
- CHALLENGE LAND
- ctfs.me
- HackBurger
- HackMe
- hax.tor
- IOarm
- Net-Force
- The Enigma Group
- WTHack
- MMA CTF
I acquired the links here over a very long career. At some point, I started noting down resources that led me to these links. They are:
- https://medium.com/@a.hilton83/learning-resources-a0a859bf9dbd
- http://captf.com/practice-ctf/
- http://www.wechall.net/sites.php
- http://ctf.forgottensec.com/wiki/index.php?title=Main_Page
- https://github.com/carpedm20/awesome-hacking
- https://csea-iitb.github.io/IITBreachers-wiki/2020/08/01/Hacking-Sites.html