Since every human has an integral visual weakness at determining lengths between vertical shapes in 3D shapes, this game definitely pokes that flaw in addition to making it fun for the players. The game incorporates many kinds of visual illusions compelling players to continue until they finish up to the last level. Good game-play of POGI is relatively forgiving as it aims towards resetting players more frequently and letting them get back into perfect streak even after making mistakes. The mechanics is simple as brain can learn to overcome its own flaws through trial and error.