"Code Cracker: Shape Equations" is a cyberpunk-themed, interactive digital math game that introduces upper elementary students to systems of linear equations and algebraic substitution using friendly geometric shapes instead of abstract variables like x and y. Students step into the shoes of a secret agent trying to crack a vault code. The vault displays a system of visual equations (e.g., bigstar + bigstar = 10, bigstar + blacktriangle = 8). By analyzing the relationships, isolating variables,