Write-ups

Advent of Code

• Advent of Code 2025
• Advent of Code 2023
• Advent of Code 2022
• Advent of Code 2021

CTFs

• The Catch 2023
• The Catch 2022
• The Catch 2021
• Hacky Easter 2021
• HACKvent 2020
• The Catch 2020
• Hacky Easter 2014 (Archive)
• HACKvent 2019
• The Catch 2019
• Hacky Easter 2019