> For the complete documentation index, see [llms.txt](https://ctf.0xff.re/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ctf.0xff.re/2019.md).

# 2019

- [ECW Quals 2019](https://ctf.0xff.re/2019/ecw_quals_2019.md)
- [S3cr37 4g3nt](https://ctf.0xff.re/2019/ecw_quals_2019/s3cr37_4g3nt.md)
- [X-MAS CTF 2019](https://ctf.0xff.re/2019/x-mas_ctf_2019.md)
- [FUNction Plotter](https://ctf.0xff.re/2019/x-mas_ctf_2019/function_plotter.md)
- [Emu 2.0](https://ctf.0xff.re/2019/x-mas_ctf_2019/emu_2.0.md)
- [Square CTF 2019](https://ctf.0xff.re/2019/square_ctf.md)
- [Go Cipher](https://ctf.0xff.re/2019/square_ctf/go_cipher.md)
- [Byte Bandits CTF 2019](https://ctf.0xff.re/2019/byte_bandits_ctf_2019.md)
- [babycrypto](https://ctf.0xff.re/2019/byte_bandits_ctf_2019/babycrypto.md)
- [Securinets Prequals 2019](https://ctf.0xff.re/2019/securinets_prequals_2019.md)
- [Beginner's Luck](https://ctf.0xff.re/2019/securinets_prequals_2019/beginners_luck.md)
- [STEM CTF 2019](https://ctf.0xff.re/2019/stem_ctf.md)
- [QvR Code](https://ctf.0xff.re/2019/stem_ctf/qvr_code.md)
- [REbase](https://ctf.0xff.re/2019/stem_ctf/rebase.md)
- [Pragyan CTF 2019](https://ctf.0xff.re/2019/pragyan_ctf.md)
- [Decode This](https://ctf.0xff.re/2019/pragyan_ctf/decode_this.md)
- [Save Earth](https://ctf.0xff.re/2019/pragyan_ctf/save_earth.md)
- [Super Secure Vault](https://ctf.0xff.re/2019/pragyan_ctf/super_secure_vault.md)
- [CTFZone 2019](https://ctf.0xff.re/2019/ctfzone_2019.md)
- [Agents](https://ctf.0xff.re/2019/ctfzone_2019/agents.md)