$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
Reset

30 challenges · browse all techniques

Challenge CTF Weight Category Has
McFlagChecker LA 2025 – Reverse files wu 1
aplet321 LA 2024 – Reverse files wu 3
meow_meow LA 2024 – Reverse files wu 1
shattered_memories LA 2024 – Reverse files wu 3
the_secret_of_java_island LA 2024 – Reverse files wu 1
caterpillar LA 2023 – Reverse files wu 2
ctfd-plus LA 2023 – Reverse files wu 3
finals-simulator LA 2023 – Reverse files wu 2
string-cheese LA 2023 – Reverse files wu 3
switcheroo LA 2023 – Reverse files wu 2
universal LA 2023 – Reverse files wu 1
nine_solves LA 2025 – Reverse files wu 1
helm_hell LA 2026 – Reverse files
lactf_1986 LA 2026 – Reverse files
ooo LA 2026 – Reverse files
reflection LA 2026 – Reverse files
starless_c LA 2026 – Reverse files
the_fish LA 2026 – Reverse files
the_three_sat_problem LA 2026 – Reverse files
1000xREV LA 2025 – Reverse files
crypt_of_the_necropuzzler LA 2025 – Reverse files
elfisyou LA 2025 – Reverse files
patricks_paraflag LA 2025 – Reverse files
the_eye LA 2025 – Reverse files
glottem LA 2024 – Reverse files
puzzlepalooza LA 2024 – Reverse files
rbp LA 2024 – Reverse files
technically_correct LA 2024 – Reverse files
pbr LA 2023 – Reverse files
snek LA 2023 – Reverse files