MDSC Puzzles #2 · 27 July 2022

Desert Dwellers (03/06/22 Riddler Classic) · 7 June 2022

"Olympiad counting puzzle" without complex numbers · 28 May 2022 · Maths

Fiscal fibrillations (18/02/22 Riddler Classic) · 22 February 2022

Robot Archery · 1 January 2022 · Problems Maths

Tricky triangles · 26 October 2021

Your evil DCDA twin (08/10/21 Riddler Classic) · 11 October 2021 · Problems Maths

Absolutely shook · 22 September 2021

Productive polygons (17/09/21 Riddler Classic) · 20 September 2021 · Problems Maths

Robot Tug-of-War · 1 September 2021 · Problems Maths