$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
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7364 challenges · browse all techniques

Challenge CTF Weight Category Has
Launch_Sequence UIUCTF 2025 – Reverse files
Lua.efi UIUCTF 2025 – Pwn files
QAS UIUCTF 2025 – Pwn files
Ruler_of_the_Universe UIUCTF 2025 – Web files
SMM_Is_Asleep UIUCTF 2025 – Pwn files
Shipping_Bay UIUCTF 2025 – Web files
Supermassive_Black_Hole UIUCTF 2025 – Web files
Upload_Upload_and_Awayi UIUCTF 2025 – Web files
X_Ray UIUCTF 2025 – Misc files
blazing_fast UIUCTF 2025 – Reverse files
cherry_blossom UIUCTF 2025 – OSINT files
damaged_SoC UIUCTF 2025 – Reverse files
emacsjail UIUCTF 2025 – Misc files
flag_checker UIUCTF 2025 – Reverse files
park UIUCTF 2025 – OSINT files
Bonk4Cash UMassCTF 2025 48.38 Web files
Brainrot_Gamba UMassCTF 2025 48.38 Crypto files
BuRGerCode UMassCTF 2025 48.38 Crypto files
Bullet_Dodge UMassCTF 2025 48.38 Reverse files
Clue UMassCTF 2025 48.38 Pwn files
Conundrum UMassCTF 2025 48.38 Reverse files
Disordered_Tree UMassCTF 2025 48.38 Crypto files
Fact UMassCTF 2025 48.38 Pwn files
Falling_Blocks UMassCTF 2025 48.38 Web files
Flash_Game_Studio UMassCTF 2025 48.38 Web files
Hot_and_Heavy UMassCTF 2025 48.38 Crypto files
IR_Fan UMassCTF 2025 48.38 Hardware files
Lazy_Streamer UMassCTF 2025 48.38 Crypto files
Macrotrace UMassCTF 2025 48.38 Forensics files
No_Updates UMassCTF 2025 48.38 Forensics files
Tower_Signal UMassCTF 2025 48.38 Misc files
calculator UMassCTF 2025 48.38 Pwn files
pandora UMassCTF 2025 48.38 Misc files
riscy UMassCTF 2025 48.38 Pwn files
the_void UMassCTF 2025 48.38 Reverse files
vecwhymm UMassCTF 2025 48.38 Reverse files
xorsa UMassCTF 2025 48.38 Crypto files
Autokey_Cipher UTCTF 2025 – Crypto files
DCA UTCTF 2025 – Crypto files
E_Corp_Part_2 UTCTF 2025 – Pwn files