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Daily AlpacaHack

A daily CTF challenge with a fun new puzzle every day

What is Daily AlpacaHack?

We publish one simple, beginner-friendly or educational CTF challenge every day!

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Solve within 24 hours of release to appear on the leaderboard.

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Today's Challenge
bubu
Style Your Alpaca
Web
Hard
14 solves
Submissions (latest 3)
bhcnumas

SOLVED!

Jun 26, 4:32 PM

goroshirow

SOLVED!

Jun 26, 4:20 PM

kakur41
kakur41

SOLVED!

Jun 26, 4:05 PM

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🌱
1,918 solves
Upcoming challenges reveal the , , and in advance.
Prev

Jun 2026

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1
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minaminaominaminao
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bubu
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Writeups

nitcelcius

Writeup for Decimal float 101.0

nitcelcius

ja
Decimal float 101.0

6 minutes ago

Writeup for No JS

00xcanelo

en
No JS

9 hours ago

Daily AlpacaHackに挑戦するつくよみちゃん 06/25/voyage/colza

tsukuyomi-chan

ja
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2026/06/25 15:54

Writeup for honk the klaxon

baumroll1234

ja
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2026/06/24 20:02

Writeup for honk the klaxon

goroshirow

ja
honk the klaxon

2026/06/24 15:33

Daily AlpacaHackに挑戦するつくよみちゃん 06/23/Secret Renderer/tchen

tsukuyomi-chan

ja
Secret Renderer

2026/06/23 16:17

Writeup for ✌️✌️✌️

baumroll1234

ja
✌️✌️✌️

2026/06/22 18:13

minaminao

Writeup for ✌️✌️✌️

minaminao

author
ja
✌️✌️✌️

2026/06/22 17:14

Daily AlpacaHackに挑戦するつくよみちゃん 06/22/✌️✌️✌️/minaminao

tsukuyomi-chan

ja
✌️✌️✌️

2026/06/22 16:47

tadanobutubutu

Writeup for ✌️✌️✌️

tadanobutubutu

ja
✌️✌️✌️

2026/06/22 15:53

Rows:

Style Your Alpaca

Topic: Client-SideReleased: Jun 27, 2026

14 solves
Web
Hard6.5

by

bubu

Create your own alpaca and share it with your friends!

style-your-alpaca.tar.gz

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descriptionsolves