Prism Collapse

- Pure native Android dynamic grid puzzle engine with cascade physics and particle effects. - Multi-color crystal matching and collapsing mechanics with chain reaction multipliers. - Progressive Prism Tier system with milestone unlocks and target score challenges. - Tactical puzzle boosters: Shatter Hammer to clear blockers and Board Shuffle. - Screen-shake visual feedback and particle bursts on high-tier merges. - Sleek obsidian-glass visual design with ambient glowing crystal shaders. - Local top-score persistence, offline capability, and instant restart flow. - Dedicated Codex Guide, Settings, Level Complete, and Game Over screens.