SekaiCTF 2025


CTF Archive.

SekaiCTF 2025

SekaiCTF returns for its fourth edition! While the overall difficulty has been designed to suit intermediate and advanced participants, we've also included beginner-friendly tasks to ensure newer players can join in and enjoy the experience.

SekaiCTF 2025 will serve as dual prequalifier for MaltaCTF 2025 Finals and the 10th XCTF Finals.

[+] Sponsors

[+] Partners

Original Date: Sat, 16 Aug. 2025, 01:00 UTC — Mon, 18 Aug. 2025, 01:00 UTC
Original URL: https://ctf.sekai.team/
CTFtime Entry: SekaiCTF 2025
Organizing Team: Project Sekai



Challenges

I created a Web application in Flask, what could be wrong?

Author: belugagemink

Connect with SSH

Link your SSH key, then connect with: ssh hacker@pwn.college

Even so, You alone should drown in blue and vanish.

Before being consumed by those sorrow-filled eyes, divide the world by zero, humming with a hoarse voice.

The finale's sound is ringing out.

Author: kanon

Connect with SSH

Link your SSH key, then connect with: ssh hacker@pwn.college

30-Day Scoreboard:

This scoreboard reflects solves for challenges in this module after the module launched in this dojo.

7-Day | 30-Day | All-Time

Rank Hacker Badges Score