Pick a game
Truth Sleuth is a set of games for thinking clearly about real evidence. Choose where to start.
Blue
Ocean science & estimation
A daily dive of five questions about the ocean. Reason through the evidence and estimate the unknown, all from real science sources. Built for all ages.
Take today's dive →Truth Sleuth Jr.
For ages 6 to 9
Short, friendly blurbs and three questions that build the first critical-thinking skills: comparing numbers, spotting certainty, and telling fact from theory.
Play Jr. →The News Game
Real articles, real evidence
Read a real news or science article and judge whether the evidence backs up the claims. Work through the library at your own pace, one story at a time.
Open the Library →