Rune Merge

Genre: Merge & Evolution Puzzle (Spatial Logic / Brain) Rune Merge is a 4x4 grid-based sliding tile puzzle game centered on combining elemental runes. - Four-directional touch swipe gesture controls for sliding and merging tiles across a 4x4 board. - Hierarchical rune evolution system progressing through eight tiers from Sprout to the Elder World Tree. - Turn-by-turn board evaluation calculating available moves and game-over state conditions. - Exponential scoring engine adding points based on merged rune tier values and active combo chains. - Animated particle leaf bursts and scale bounce visual effects upon successful tile mergers. - Session statistics tracking current score, session record, and game milestones. - Dedicated audio synthesis engine generating harmonic chime tones on every merger. - Complete screen navigation flow: Splash, Main Menu, How to Play, Settings, Pause overlay, Victory Cleared, and Game Over. - Fully offline gameplay with zero network permissions and zero background data collection.