Stack Ball Crash Helix 3D 2020 is a free arcade game developed by HC Tech for Android devices. The objective of the game is to guide a ball through a series of revolving platforms without touching the black obstacles. The longer you hold the screen, the faster the ball moves, and the more points you score.

The game's mechanics are straightforward: you tap and hold the screen to drop the ball from the top of the helix stacks. Your goal is to break as many black blocks as possible to earn points and make combos. The game's graphics are simple but colorful, and the sound effects are satisfying, adding to the overall experience.