Grid Blast Wiki
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Everything you need to know about Grid Blast — from first placement to high-score combo runs.
Grid Blast is a portrait HTML5 block puzzle by Mobile Arcades. You receive three polyomino pieces at a time, place them on an 8×8 board, and clear any full row or column. Star gems, combo streaks, and tray swaps add depth beyond a classic block-filling formula.
- Board
- 8×8 grid
- Tray
- 3 pieces per set
- Controls
- Tap · drag · swap
- Platform
- HTML5 · Portrait
Wiki articles
How to play
Controls, board rules, and the basic game loop.
Scoring & combos
Points per placement, line clears, and streak multipliers.
Mechanics
Rotation, tray swap, star gems, and reward continues.
Tips & strategy
Plan ahead, protect corners, and push your high score.
Quick rules
- Drag a piece from the tray onto the board. It must fit entirely inside the grid with no overlap.
- Tap a tray piece to rotate it clockwise before placing.
- When a row or column is completely filled, it clears and awards bonus points.
- Clearing lines back-to-back builds a combo streak multiplier.
- Golden ★ star gems on empty cells grant +150 points when cleared in a line.