Darkball is an iPhone game developed by CWT Studio LLC. In this challenging game, players are tasked with tapping the screen at the precise moment they believe a ball will appear in the orange target area. The game tests your ability to predict the future based on past and present information, much like Cristiano Ronaldo volleying a corner kick in total darkness.

The gameplay is simple yet engaging. The ball drops and flashes once, then moves horizontally and flashes again when it reaches the target line. Players must tap the screen at the right moment to intercept the ball in the dark. With each level, the speed of the ball, the intervals when it is invisible, and the target position change, providing a variety of challenges to keep players on their toes.

Darkball taps into the brain's ability to use information from the past and present to predict the future. By challenging players to make accurate predictions in a visually limited environment, the game offers a fascinating glimpse into the brain's internal modeling capabilities. With its minimalist design and addictive gameplay, Darkball is a game that will keep you entertained while exercising your cognitive skills.