Stack Ball is a 3D hypercasual arcade game developed and published by BoomBit Games — a Polish mobile studio from Gdańsk — and one of the defining examples of the hypercasual genre that dominated mobile gaming in 2019. The concept is minimal and immediately legible: a ball sits at the top of the screen above a tall tower of revolving helix platforms stacked in a spiral column. Tap to hold, and the ball drops. Release, and it bounces. Your goal is to reach the bottom of the tower by smashing through platforms, without touching black ones.

Key Features: • Rotating helix tower — tap and release to drop the ball through stacked spiral platforms • Black = instant death — one wrong hit sends you back; coloured platforms break on contact • Momentum system — break multiple layers in succession to increase destruction radius • Escalating difficulty — towers grow longer and arrangements grow more punishing each level