Prism Cascade

I. Core Gameplay Overview​
This is a casual puzzle match-3 mobile game. The core mechanism is swapping adjacent elements up, down, left, or right to form horizontal/vertical lines of 3 or more identical elements for elimination. Complete level objectives to unlock new content and rewards, balancing accessibility with strategic depth for fragmented entertainment scenarios.​
II. Basic Core Rules​
1. Operation Method​
Press and hold any element, then slide up, down, left, or right to swap positions with the adjacent vertical/horizontal element.​
2. Elimination Judgment​
After swapping, if 3 or more identical elements form a continuous line in the same row or column, the elimination condition is met, and an elimination animation corresponding to the direction is triggered.​
If no valid elimination is formed after swapping, the elements will automatically return to their original positions.​
3. Element Filling​
After elimination, the eliminated elements disappear. For horizontal elimination, elements above fall vertically to fill the gaps; for vertical elimination, elements on both sides move toward the center first, then elements above fill the remaining spaces.​
New elements are randomly generated at the top to replenish the grid, ensuring the board is always full. The animation of new element generation connects smoothly with the elimination animation.​
4. Chain Reaction​
During the element filling process, if a new horizontal/vertical line of 3 or more identical elements is formed, a secondary elimination (chain reaction) is triggered automatically.