Link 3 same-color pieces, every square in the chain upgrades. Fill a row to blow it; each line adds +0.1× to all points. Rubies and diamonds touching wall-to-wall = a bridge blast. Link 3 all-diamond pieces and the chain detonates. One run, ever faster.

Hold ◀ ▶ to slide · ⟳ rotates · hold ▼ to speed the fall
Keys: A/D or ←→ move · S/↓ soft drop · W/↑ rotate · Z counter · SPACE slam