Sand Blocks Level 171 Walkthrough
10/21/2026
Overview
Flat stack mastery on Level 171. Full video solution.
Step-by-step walkthrough
Level 171 requires flat-stack mastery. Rule: board max height = 4 rows at all times. If it hits 5, panic-clear immediately. Flat boards fit any shape; tall boards fit only a few. Level 171 is winnable in 22 drops with flat stacks, 40+ without. Flat-stack mastery is the #1 skill for 171-200 zone — practice it here before the difficulty ramps.
💡 Pro tip
Max 4 rows. Panic-clear at 5. Flat-stack = win.