AlpacaHack Logo
Sign InSign Up

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!

Join Anytime

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

Not a Competition

Discussion with friends or AI is welcome (account sharing is prohibited).

Solution Sharing Rules

Sharing solutions is allowed only after 24 hours have passed since release.

Solve stats

0

/164

No solved challenges yet.

Sign In to view your player stats

Today's Challenge
tchentchen
Super Short Python Golf
Misc
Medium
27 solves
Submissions (latest 3)
kurgm
kurgm

SOLVED!

May 12, 4:36 PM

serioton

SOLVED!

May 12, 4:19 PM

Leaderboard

Try the first challenge

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

View challenge
admin
AlpacaHack 2100
Misc
Welcome🌱
1,768 solves
Upcoming challenges reveal the , , and in advance.
Prev

May 2026

Next
Solved
Unsolved
Upcoming
Mon
Tue
Wed
Thu
Fri
Sat
Sun
27
shiragishiragi
Unrevealed TXT
Misc
Easy🌱
123 solves
28
seriotonserioton
unheard
Misc
Medium
74 solves
29
minaminaominaminao
permission denied
Misc
Hard
76 solves
30
minaminaominaminao
permission denied 2
Misc
Medium
77 solves
1
admin
Alpaca++
Misc
Welcome🌱
195 solves
2
tchentchen
Alpaca Rangers 2
Web
Easy🌱
170 solves
3
pppp4649pppp4649
Small N
Crypto
Easy🌱
127 solves
4
hiikunzhiikunz
secret-table-2
Web
Medium
130 solves
5
seriotonserioton
do the math
Misc
Medium
107 solves
6
trimscashtrimscash
func-array
Pwn
Easy🌱
123 solves
7
minaminaominaminao
permission denied 3
Misc
Medium
105 solves
8
baumroll1234
Vending Machine
Misc
Easy🌱
151 solves
9
hiikunzhiikunz
reused n
Crypto
Medium
108 solves
10
rsk0315
Bounds Checking
Pwn
Hard
80 solves
11
seriotonserioton
Mirage
Rev
Easy🌱
105 solves
12
minaminaominaminao
hidden service
Misc
Medium
85 solves
13
tchentchen
Super Short Python Golf
Misc
Medium
27 solves
14
Coming soon
15
tan90909090tan90909090
Planned topicTBA
Web
Misc
Medium
16
Planned topicProcedure Linkage Table
Pwn
Hard
17
Planned topicTBA
Web
Misc
Hard
18
Planned topicUser Agent
Web
Easy🌱
19
Coming soon
20
Planned topicLFI
Web
Medium
21
Coming soon
22
Coming soon
23
Coming soon
24
Planned topicCUDA
Rev
Hard
25
Coming soon
26
Coming soon
27
Coming soon
28
Coming soon
29
Coming soon
30
Coming soon
31
Planned topicStack
Pwn
Hard

Want a harder challenge?

Go to B-SIDE

Writeups

Daily AlpacaHackに挑戦するつくよみちゃん 05/12 misc/hidden service/minaminao

tsukuyomi-chan

ja
hidden service

31 minutes ago

Daily AlpacaHackに挑戦するつくよみちゃん 05/09 crypto/reused n/hiikunz

ja

50 minutes ago

Daily AlpacaHackに挑戦するつくよみちゃん 05/11 rev/mirage/serioton

ja

51 minutes ago

tadanobutubutu

Writeup for hidden service

nitcelcius

Writeup for Mirage

ja

5 hours ago

tadanobutubutu

Writeup for Mirage

nitcelcius

Writeup for func-array

Rows:

Super Short Python Golf

Topic: JailReleased: May 13, 2026

27 solves
Misc
Medium

by

tchen

tchen

Only 6 bytes!

Beginner Hint
  • Identify which built-in functions are available, and carefully investigate their behavior and specifications.
super-short-python-golf.tar.gz
descriptionsolves