StarMerge

Slide and merge matching numbered tiles on a 4×4 grid to score points; when two 32s combine into 64, the tile becomes a fixed Star Dust block that no longer merges, and every 5 seconds each Star Dust spawns a 2 in a random adjacent empty cell—helping fill the board but also consuming space—so you must balance expansion and merging until the board is full and no moves remain.