Challenges

Category Web Pwn Reverse Crypto Forensics Misc OSINT Stego Blockchain Hardware Mobile

Difficulty Beginner Easy Medium Hard Insane

CTFtime weight

–

Higher weight ≈ harder, more prestigious event.

Year

–

CTF

Country

Must have Source / Docker Writeup

Sort

Reset

Challenge	CTF	Weight	Category	Has
Inconspicuous_Program	upCTF 2026	24.42	Reverse	files
Locked_Temple	upCTF 2026	24.42	Reverse	files
Minecraft_Enterprise_Edition	upCTF 2026	24.42	Reverse	files
Old_Calculator	upCTF 2026	24.42	Reverse	files