$
ctf42
CTFs
Challenges
Techniques
Contributors
About
Log in
Sign up
CTFs
/ MetaRed
🌐
MetaRed
Archived challenges by category
Crypto
40%
(23)
Reverse
21%
(12)
Pwn
16%
(9)
Misc
9%
(5)
Forensics
7%
(4)
Mobile
4%
(2)
Web
2%
(1)
OSINT
2%
(1)
Editions
Edition
Weight
Web
Pwn
Reverse
Crypto
Forensics
Misc
OSINT
Mobile
Total
2024
–
·
1
7
7
4
5
1
·
25
2022
–
·
·
·
5
·
·
·
·
5
2021
–
1
8
5
11
·
·
·
2
27