Lucky Sum Up is a calm yet tactical number‑merging match‑3. Place tiles from the bottom queue onto the grid, line up three identical numbers, and they fuse into a higher value tile. Chain reactions open space, raise your score, and push your best mark higher—before the timer runs out. Highlights: - Easy drag‑and‑drop controls - Quick rounds with a visible timer - Clean visuals and clear effects - Local high‑score tracker and sound toggle How to play: 1. Drag a tile to any empty cell 2. Match 3 of the same number to merge 3. Plan ahead to keep the board clear and build combos Enjoy satisfying puzzles that mix luck with smart planning—great for a short break or a focused session.