- Balanced and Odd - January 16, 2025
- Two six-room dungeons - January 8, 2025
- Random and Balanced Ability Scores - September 18, 2024
- The Recursive Mode of Thought - January 18, 2024
- Time-lock puzzles - December 11, 2023
- The Amazing Pigeonhole Principle - August 16, 2022
- The Rubik's Cube Group - April 10, 2019