FlareOnOS v13.2

The Flare-On Challenge was the FLARE team's annual Capture-the-Flag (CTF) contest. It was a single-player series of Reverse Engineering puzzles that ran for every fall from 2014 to 2026.

Prior Year's Challenges:

Flare-On 12 (2025) Flare-On 11 (2024) Flare-On 10 (2023) Flare-On 9 (2022) Flare-On 8 (2021) Flare-On 7 (2020) Flare-On 6 (2019) Flare-On 5 (2018) Flare-On 4 (2017) Flare-On 3 (2016) Flare-On 2 (2015) Flare-On 1 (2014)