A daily CTF challenge with a fun new puzzle every day
We publish one simple, beginner-friendly or educational CTF challenge every day!
Solve within 24 hours of release to appear on the leaderboard.
Discussion with friends or AI is welcome (account sharing is prohibited).
Sharing solutions is allowed only after 24 hours have passed since release.
tchenTry the first challenge
Is this your first CTF? Let's begin by tackling the first challenge released on Daily AlpacaHack.
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k0080minaminaotchenWant a harder challenge?
Go to B-SIDETopic: Jail, JavaScriptReleased: Jun 3, 2026
| USER | SOLVED AT |
|---|---|
14 hours ago | |
2026/06/20 04:49 | |
2026/06/13 12:33 | |
2026/06/12 08:12 | |
2026/06/11 13:45 | |
2026/06/10 14:02 | |
2026/06/10 10:54 | |
2026/06/06 20:54 | |
2026/06/06 09:57 | |
2026/06/06 07:04 | |
2026/06/06 00:31 | |
2026/06/05 00:50 | |
2026/06/04 17:39 | |
2026/06/04 15:52 | |
2026/06/04 12:36 | |
2026/06/04 09:24 | |
2026/06/04 08:07 | |
2026/06/03 21:58 | |
2026/06/03 17:14 | |
2026/06/03 15:54 | |
2026/06/03 15:00 | |
2026/06/03 14:21 | |
2026/06/03 14:17 | |
2026/06/03 14:06 | |
2026/06/03 14:01 |
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