This document provides a game involving questions about important psychologists to test knowledge. Player O answers questions by selecting squares on a grid and Player X verifies the accuracy. The questions cover psychologists such as Lev Vygotsky, Jean Piaget, Clark Hull, John Watson, David Ausubel, Gregor Novak, Max Wertheimer, Howard Gardner, and Daniel Goleman. The winner is determined by the first player to answer three questions correctly in a row.