GoalKeeper is an action game with football goalkeeping as its core gameplay, using 3D graphics to create immersive stadium scenes. Players can control the goalkeeper gloves to save the football shot towards the goal by sliding the screen, and the game includes special props such as football to increase the challenge. The game offers two main modes: endless mode, where new items can be unlocked by accumulating experience; The arcade mode challenges the maximum number of saves with limited life.