$ ctf42

Challenges

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

21 challenges · browse all techniques

Challenge CTF Weight Category Has
Symmetry_1
#spn-cipher-inversion
 KalmarCTF 2024 24.21 Reverse files wu 1
0racle KalmarCTF 2026 49.97 Reverse files
Aros_25 KalmarCTF 2026 49.97 Reverse files
Linkme KalmarCTF 2026 49.97 Reverse files
flag_checker KalmarCTF 2026 49.97 Reverse files
FlagSecurityEngine KalmarCTF 2025 33.89 Reverse files
Jormungandr KalmarCTF 2025 33.89 Reverse files
Shafus KalmarCTF 2025 33.89 Reverse files
Shafus_Gone_Crazy KalmarCTF 2025 33.89 Reverse files
Snake_III_Hungry_for_Snake KalmarCTF 2025 33.89 Reverse files
Snake_II_Sonic_Snake_Fighter_II KalmarCTF 2025 33.89 Reverse files
Snake_I_Just_One_More_Apple KalmarCTF 2025 33.89 Reverse files
Deep_Dive_Division KalmarCTF 2024 24.21 Reverse files
Rabbit_Hole KalmarCTF 2024 24.21 Reverse files
Rabbit_Hole_Warmup KalmarCTF 2024 24.21 Reverse files
CycleChaser KalmarCTF 2023 24.21 Reverse files
CycleChaserRevenge KalmarCTF 2023 24.21 Reverse files
FormulaK KalmarCTF 2023 24.21 Reverse files
Jumping_on_the_PPU KalmarCTF 2023 24.21 Reverse files
Jumping_on_the_SPU KalmarCTF 2023 24.21 Reverse files
Works_on_my_machine KalmarCTF 2023 24.21 Reverse files