CTF Archives
Theme
Language
All CTFs
N1CTF
8 editions
·
115 challenges
·
2018–2025
View on GitHub
2025
2024
2023
2022
2021
2020
2019
2018
Average
—
/5
Vote and rate each challenge below.
2025
18 challenges
CTFtime
crypto
5
n1_3
0
0
n1fhe
0
0
n1fnv1
0
0
n1fsr
0
0
n1share
0
0
misc
2
Bridge
0
0
easy_random
0
0
pwn
5
ktou
0
0
N1drone
0
0
n1flgsrv
0
0
N1khash
0
0
nipple
0
0
rev
3
n1vm
0
0
True_Operator_Master
0
0
Whimsical_Ideas_Happy_SShheeeepp
0
0
web
3
eezz
0
0
n1cat
0
0
N1SAML
0
0
2024
18 challenges
CTFtime
crypto
4
M4sTeriX
0
0
N0TR5A
0
0
Seashells
0
0
Twisting
0
0
misc
1
ezAPP
0
0
pwn
4
heap_master
0
0
lucky
0
0
mailbox
0
0
PHP_Master
0
0
rev
5
BrokenApp
0
0
Context
0
0
ezapk
0
0
ReFantazio
0
0
Txt2AsciiArt
0
0
web
4
Esc_Error
0
0
faso
0
0
insane_xss
0
0
n1stagram
0
0
2023
26 challenges
CTFtime
crypto
5
e20k
0
0
e2D1p
0
0
e2Is0
0
0
e2sm4
0
0
e2Warmup
0
0
misc
4
downloader
0
0
guess_by_cyberutopian
0
0
Hidden_AES_Wave
0
0
Pool_by_sec3
0
0
pwn
7
anime
0
0
n1array
0
0
n1canary
0
0
n1nft
0
0
n1proxy
0
0
n1sub
0
0
pwn1OS_by_momo_security
0
0
rev
7
Addition_Plus
0
0
Bocchi_the_Rock
0
0
h2o
0
0
Micro_Check
0
0
n1go
0
0
N1LLua
0
0
Square
0
0
web
3
ignite
0
0
strangeport
0
0
ytiruces
0
0
2022
22 challenges
CTFtime
blockchain
3
Backdoor
0
0
Simple_Staking
0
0
Utility_Payment_Service
0
0
crypto
3
babyecc
0
0
brand_new_checkin
0
0
ezdlp
0
0
pwn
7
babyuefi
0
0
easyqemu
0
0
fuse
0
0
modern
0
0
n1ojpwn
0
0
note
0
0
praymoon
0
0
rev
5
boxing
0
0
cppmaster
0
0
flag_compiler
0
0
functional
0
0
Verify
0
0
web
4
bybychain
0
0
do_not_touch_my_localhost
0
0
Easy_S2
0
0
OldFastJSON
0
0
2021
17 challenges
CTFtime
crypto
6
BabyDefi
0
0
checkin
0
0
n1ogin
0
0
n1token1
0
0
n1token2
0
0
oh_my_flag
0
0
pwn
6
baby_guess
0
0
babyFMT
0
0
ctfhub2
0
0
easyx11
0
0
house_of_tataru
0
0
Jerry
0
0
rev
4
babyrust
0
0
easyre
0
0
hello
0
0
py
0
0
web
1
tornado
0
0
2020
6 challenges
CTFtime
misc
6
babyrouter
0
0
EasyWrite
0
0
echoserver
0
0
Kemu
0
0
SignIn
0
0
W2L
0
0
2019
4 challenges
CTFtime
misc
4
babykernel
0
0
Line
0
0
Part5-typechecker
0
0
warmup
0
0
2018
4 challenges
CTFtime
misc
4
memsafety
0
0
network_card
0
0
null
0
0
vote
0
0