CTF Archives
Theme
Language
All CTFs
SekaiCTF
5 editions
·
148 challenges
·
2022–2026
View on GitHub
2026
2025
2024
2023
2022
Average
—
/5
Vote and rate each challenge below.
2026
27 challenges
CTFtime
blockchain
4
Open_World
0
0
Outer_Stellar
0
0
PP_Farming
0
0
PP_Farming_2
0
0
crypto
5
apbq_rsa_iv
0
0
Iihash
0
0
needLe_in_a_multivariate_sekai
0
0
oneline6ryp7o
0
0
orbital_strike
0
0
misc
7
deadgame2
0
0
impossible_stego
0
0
Minions_in_16k
0
0
pokemon_park
0
0
pokemon_park_revenge
0
0
SekaiID
0
0
ufo
0
0
pwn
5
3in1
0
0
echo_chamber
0
0
MTE
0
0
ppp
0
0
pwnable_document_fabricator
0
0
rev
2
Chibile
0
0
Untitled_Encore
0
0
web
4
EnD
0
0
Filtered_Reality
0
0
less_than_w_plus
0
0
Migurimental
0
0
2025
36 challenges
CTFtime
blockchain
4
Sekai_Lending
0
0
Sekai_Meme_Launcher
0
0
Stray_Cat
0
0
Ticketmaster
0
0
crypto
7
Alter_Ego
0
0
APES
0
0
I_Dream_of_Genni
0
0
Law_And_Order
0
0
SSSS
0
0
unfairy_ring
0
0
unfairy_ring++
0
0
misc
3
Discrepancy
0
0
Literal_Eval
0
0
Sekai_Bank_Transaction
0
0
ppc
3
Nokotans_Antler_Tines
0
0
Nokotans_Arcade
0
0
Nokotans_Guidance
0
0
pwn
6
Learning_OOP
0
0
Outdated
0
0
speedpwn_2
0
0
Umiyuri_Kaikeitan
0
0
vkfs
0
0
WIC
0
0
rev
6
Alchemy_Master
0
0
Gondola
0
0
Miku_Music_Machine
0
0
Sekai_Bank_Signature
0
0
sekai_craft
0
0
What_in_Ternation
0
0
web
7
Captivating_Canvas_Contraption
0
0
Fancy_Web
0
0
hqli_me
0
0
My_Flask_App
0
0
Notebook_Viewer
0
0
rednote
0
0
vite
0
0
2024
31 challenges
CTFtime
blockchain
3
event
0
0
Play_to_Earn
0
0
ZOO
0
0
crypto
6
Hayabusa
0
0
Master_Spark
0
0
Some_Trick
0
0
sqrt163
0
0
Squares_vs._Cubes
0
0
zerodaycrypto
0
0
misc
3
calcql
0
0
Hijacker
0
0
Miku_Jail
0
0
ppc
3
Miku_vs._Machine
0
0
Nokotan
0
0
Railgun
0
0
pwn
6
Context_Reducer
0
0
Life_Simulator_2
0
0
nolibc
0
0
Process_Flipper
0
0
speed
0
0
speedpwn
0
0
rev
4
Crack_Me
0
0
Magnum_Opus
0
0
Sekai_Licensing
0
0
X64_Extension
0
0
web
6
Funny_lfr
0
0
htmlsandbox
0
0
Intruder
0
0
lookup
0
0
NDWPP
0
0
Tagless
0
0
2023
36 challenges
CTFtime
crypto
7
cryptoGRAPHy_1
0
0
cryptoGRAPHy_2
0
0
cryptoGRAPHy_3
0
0
Diffecientwo
0
0
Noisier_CRC
0
0
Noisy_CRC
0
0
RandSubWare
0
0
forensic
2
DEF_CON_Invitation
0
0
Eval_Me
0
0
misc
7
A_letter_from_the_Human_Resource_Management
0
0
Blockchain_Play_for_Free
0
0
Blockchain_Re_Remix
0
0
I_love_this_world
0
0
Just_Another_Pickle_Jail
0
0
QR_God
0
0
SSH
0
0
ppc
3
Project_Sekai_Event_Planner
0
0
Purple_Sheep_And_The_Apple_Rush
0
0
Wiki_Game
0
0
pwn
7
Algorithm_Multitool
0
0
Blockchain_The_Bidding
0
0
Cosmic_Ray
0
0
Hibana
0
0
Network_Tools
0
0
Notification
0
0
Text_Sender
0
0
rev
5
Azusawa_s_Gacha_World
0
0
Conquest_of_Camelot
0
0
Guardians_of_the_Kernel
0
0
Sahuang_Flag_Checker
0
0
Teyvat_Travel_Guide
0
0
web
5
Chunky
0
0
Frog_WAF
0
0
Golf_Jail
0
0
Leakless_Note
0
0
Scanner_Service
0
0
2022
18 challenges
CTFtime
crypto
6
Diffecient
0
0
EZmaze
0
0
FaILProof
0
0
RobustCBC
0
0
SecureImageEncryption
0
0
TimeCapsule
0
0
pwn
5
BFS
0
0
gets
0
0
GFT
0
0
HelloWorldSetup
0
0
SaveMe
0
0
rev
4
BabyChicken
0
0
MatrixLab1
0
0
MatrixLab2
0
0
MatrixLab3
0
0
web
3
CrabCommodities
0
0
ObligatoryCalc
0
0
Safelist
0
0