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

Difficulty Beginner Easy Medium Hard Insane

CTFtime weight

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Higher weight ≈ harder, more prestigious event.

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CTF

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Must have Source / Docker Writeup

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Challenge	CTF	Weight	Category	Has
atypical_heap	UNbreakableInternational 2026	–	Pwn	files
atypical_heap_revenge	UNbreakableInternational 2026	–	Pwn	files
luma_chain	UNbreakableInternational 2025 Quals	–	Pwn	files
xps	UNbreakableInternational 2025 Quals	–	Pwn	files
harder_assembly	UNbreakableInternational 2024	–	Pwn	files
heeaap	UNbreakableInternational 2024	–	Pwn	files
not_allowed	UNbreakableInternational 2024	–	Pwn	files