| CyberApocalypse
|
Hack The Box |
🇬🇧 United Kingdom |
41 |
– |
2025 |
| RaRCTF
|
The WINRaRs |
🇬🇧 United Kingdom |
38 |
24.53 |
2021 |
| RAMunchers
|
R0073R5 |
🇬🇧 United Kingdom |
22 |
23.30 |
2026 |
| Union
|
the cr0wn |
🇬🇧 United Kingdom |
13 |
24.34 |
2021 |
| TallDwarfHostingHostingTakeover
|
TallDwarf Hosting |
🇬🇧 United Kingdom |
9 |
25.00 |
2026 |
| StackSmash
|
Hack The Box |
🇬🇧 United Kingdom |
5 |
24.00 |
2025 |
| Biterra CTFs
|
Biterra |
🇬🇧 United Kingdom |
0 |
0.00 |
2026 |
| Pwn2Play Open CTF
|
DMUHackers26 |
🇬🇧 United Kingdom |
0 |
0.00 |
2026 |
| Punk Security DevSecOps birthday CTF
|
Punk Security |
🇬🇧 United Kingdom |
0 |
37.00 |
2025 |
| Imperial CTF
|
Where'sTheFlag |
🇬🇧 United Kingdom |
0 |
25.00 |
2022 |
| T3 Phoenix CTF
|
Trans Tech Tent |
🇬🇧 United Kingdom |
0 |
0.00 |
2022 |
| Really Awesome CTF
|
RACTF Organisers |
🇬🇧 United Kingdom |
0 |
23.49 |
2021 |
| Content Creators Club CTF
|
Tomahawque |
🇬🇧 United Kingdom |
0 |
0.00 |
2020 |
| Deloitte CTF
|
Deloitte CTF |
🇬🇧 United Kingdom |
0 |
0.00 |
2019 |