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Daily AlpacaHack

A CTF challenge series with fun puzzles to enjoy every day

What is Daily AlpacaHack?

We regularly publish simple, beginner-friendly or educational CTF challenges!

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Solve each challenge within its time window to appear on the leaderboard.

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Today's Challenge
admin
Baby Alpaca
Misc
Welcome🌱
42 solves
Submissions (latest 3)
hiro-1noue

SOLVED!

Oct 1, 6:29 AM

pppp4649

SOLVED!

Oct 1, 6:18 AM

Leaderboard

Try the first challenge

Is this your first CTF? Let's begin by tackling the first challenge released on Daily AlpacaHack.

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admin
AlpacaHack 2100
Misc
Welcome🌱
2,235 solves
Upcoming challenges reveal the , , and in advance.
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Feb 2026

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26
keymoonkeymoon
git gc
Misc
Medium
174 solves
27
chocoruskchocorusk
ToyPQC
Crypto
Hard
121 solves
28
tchentchen
No JS
Web
Medium
162 solves
29
k0080k0080
shellcode-101
Pwn
Medium
168 solves
30
yu212yu212
Linear Coffee Generator
Crypto
Hard
125 solves
31
arkark
optimal-sort
Misc
Hard
112 solves
1
admin
Camelidae
Misc
Welcome🌱
451 solves
2
minaminaominaminao
Substance
Crypto
Easy🌱
278 solves
3
tan90909090tan90909090
read-a-binary
Rev
Easy🌱
281 solves
4
tchentchen
Magic Engine
Web
Easy🌱
353 solves
5
kanonkanon
RRe_Time_Limiter
Crypto
Medium
201 solves
6
minaminaominaminao
The World
Misc
Easy🌱
216 solves
7
tan90909090tan90909090
misdirection
Rev
Medium
207 solves
8
hiikunzhiikunz
Compressor
Misc
Hard
117 solves
9
tchentchen
Plz Login
Web
Medium
285 solves
10
k0080k0080
Alpaca-Llama Ranch
Pwn
Hard
148 solves
11
arkark
destructuring
Misc
Easy🌱
160 solves
12
hiikunzhiikunz
AAAAAAAAEEEEEEEESSSSSSSS
Crypto
Medium
139 solves
13
minaminaominaminao
nc magic
Misc
Medium
164 solves
14
hiikunzhiikunz
simple ROP
Pwn
Hard
147 solves
15
tchentchen
You are being redirected
Web
Medium
138 solves
16
kakur41kakur41
Alpaillier
Crypto
Medium
139 solves
17
rsk0315
wages of sin()
Rev
Misc
Hard
99 solves
18
k0080k0080
Disappeared
Pwn
Medium
140 solves
19
minaminaominaminao
Pickle Loader
Misc
Medium
130 solves
20
rsk0315
Dancing Cursor
Misc
Rev
Medium
121 solves
21
pppp4649pppp4649
CopperCopperCopper
Crypto
Hard
103 solves
22
k0080k0080
Noob programmer
Pwn
Hard
120 solves
23
kakur41kakur41
Alpaca Quest
Rev
Medium
137 solves
24
minaminaominaminao
hit-and-hit
Misc
Hard
91 solves
25
tchentchen
Alpaca Rangers
Web
Medium
215 solves
26
kurenaifkurenaif
27
tchentchen
28
minaminaominaminao
pyjs
Misc
Hard
89 solves
1
admin
Alpaca meets QR
Misc
Welcome🌱
367 solves

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