Sand Blocks Level 456 Walkthrough
10/21/2026
Overview
Corner protocol on Level 456. Full solution.
Step-by-step walkthrough
Level 456 tests corner protocol. Keep 4 corners empty until drop 15. When corners must fill, matching shapes only. Corner order: BL → BR → TL → TR. Corners that clog take 5+ drops to recover. Level 456 has 9-10 corner-filling moments. Watch timing at drops 4, 10, 18, 24.
💡 Pro tip
Corners empty until drop 15. Order: BL → BR → TL → TR.