> For the complete documentation index, see [llms.txt](https://martian1337.gitbook.io/notes/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://martian1337.gitbook.io/notes/training-and-career/platforms/ctf-sites.md).

# CTF Sites

| [HackTheBox](https://www.ctf.hackthebox.com/) !                           | [RingZer0ctf](https://ringzer0ctf.com/)                              | [Backdoor](https://backdoor.sdslabs.co/)                                       |
| ------------------------------------------------------------------------- | -------------------------------------------------------------------- | ------------------------------------------------------------------------------ |
| [cmdchallenge](https://cmdchallenge.com/)                                 | [hpandro1337](http://ctf.hpandro.raviramesh.info/) Android CTF       | [PWN Challenge](http://pwn.eonew.cn/) - Binary Exploitation                    |
| [PWN Adventure](http://pwnadventure.com/) - Vulnerable MMORPG             | [SmashTheStack](http://www.smashthestack.org/) - Binary Exploitation | [Microcorruption](https://microcorruption.com/login) - Debug Assembly programs |
| [crackmes](https://crackmes.one/) - Reverse engineering                   | [webhacking.kr](https://webhacking.kr/) - Web exploitation           | [LordofSQLi](https://los.rubiya.kr/) - SQLinjection challenges                 |
| [DefendTheWeb](https://defendtheweb.net/) - Web exploitation              | [XSS Game](http://www.xssgame.com/)                                  | [cryptohack](https://cryptohack.org/)                                          |
| [cryptopals](https://cryptopals.com/)                                     | [id0-rsa](https://id0-rsa.pub/) - Crypto challenges                  | [TryToDecrypt](https://www.trytodecrypt.com/index.php)                         |
| [echoCTF](https://echoctf.red/)                                           | [exploit.education](https://exploit.education/)                      | [HBH](https://hbh.sh/home) Jeopardy-style CTF platform                         |
| [MOD-X](http://www.mod-x.co.uk/main.php%22) - Jeopardy-style CTF platform | [PWN.TN](https://pwn.tn/)                                            | [Prompt Riddle](https://promptriddle.com/) - Prompt-based CTF                  |
| [Hacker Gateway](https://www.hackergateway.com/)                          | [PWNX](https://pwnx.io/)                                             | [UnderTheWire](https://underthewire.tech/) - Powershell challenges             |
| [SuNiNaTaS](http://suninatas.com/)                                        |                                                                      |                                                                                |