Learning Well® Critical Thinking Skill Booster Series: Red Level (2.0-3.5) This series features 6 games that will help reinforce critical thinking skills at two different reading levels. Red Reading Level: 2.0-3.5. Includes: Logic & Reasoning - Riddle Master, Figurative Language - Alien Landings, Predicting Outcomes - Gypsy Fortune Teller, Following Directions - Behind the Wheel, Inference - School Days, and Cause & Effect - Mountain Climbing.