Play Block 21
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Block 21
About Block 21
Tap/click on a group of three or more blocks with the same color. Get block 21. Have fun!
How to Play
Block 21 challenges you with satisfying puzzles via mouse or touch. Study the board, plan each move, and clear levels to advance. Tap/click on a group of three or more blocks with the same color. Get block 21.
Controls
| Key / Button | Action |
|---|---|
| Click / Tap | Select or interact |
Tips & Tricks
- ✓Study the full board before your first move.
- ✓Look for chain reactions that clear multiple pieces.
- ✓Restart with a different strategy if you hit a dead end.
- ✓Work from the most constrained area first.
- ✓Block 21 runs in your browser — no download or plugin required.
