Select your police unit from the provided options including swat and unique characters. Navigate your unit through the jail using touch controls on mobile or WASD on desktop. Attack the gangster prisoners by clicking the fight button when in range. Utilize unit features like axe throws to neutralize enemies more effectively. Stop prisoners from escaping by strategically positioning your units at escape routes. Keep an eye on the condition of your units and withdraw if necessary to avoid casualties. Achieve all levels by defeating all prisoners and securing the prison.