2020

Riddler Classic: Re-Rolling a Die 2020-03-29

2019

Riddler Classic: How Fast Can You Skip to Your Favorite Song? 2019-12-07

Riddler Classic: How Low Can You Roll? 2019-11-17

Riddler Express: Can you fool the bank with your counterfeit bills? 2019-08-23

Riddler Express: ¡Lotería! 2019-05-31

Riddler Classic: The Three Deck Monte 2019-02-02

2018

The Riddler: Santa Needs Some Help With Math 2018-12-22

Riddler Express: The Chess Match Problem 2018-11-18

Riddler Classic: How Far Would You Go To Rig A Coin Flip? 2018-11-03

Riddler Classic: Riddler League Football Cards 2018-09-08

Riddler Classic: The Perfect Doodle Puzzle 2018-08-05

Riddler Express: Arithmetic Anarchists Attack 2018-04-14