Dreamhack
Solve a large archive of Korean wargames across pwn, web, rev and crypto
Dreamhack is a Korean security learning platform with a big wargame archive, about 1,880 challenges at the time of checking. Categories include system hacking, reversing, web hacking, cryptography, forensics, cloud and Web3. Challenges are graded in tiers from beginner up through bronze, gold and platinum, and users can submit their own. Many challenges start a VM for you to attack.
Freemium · Login needed · Browser · Intermediate
About Dreamhack
It trains hands-on exploitation, with rankings for wargames and for the CTF events the site also runs. Paid plans unlock structured lecture paths and lab extras.
The free plan covers wargames and CTFs, with three VM credits a week; a credit comes back when you solve that challenge. The interface is in Korean only, and you need an account.
On Breakpoint since 28 Oct 2026.
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