Avoid the Corner-Breaking Direction
Level: Basic
Steer clear of the direction that undoes your locked corner.
If your big tile is anchored in the bottom-left corner, pressing "up" can pull it upward and break your corner setup. Avoid this direction as much as possible.
Accidentally pressing the corner-breaking direction pulls the big tile toward the center, breaks the chain, and can take several moves to fix. This is exactly when undo comes in handy.
Only use the corner-breaking direction when every other direction is truly blocked, and immediately slide back in your original two directions to return the big tile to its corner.
Related Strategies
Basic
Favor Two Directions
Rely mainly on two directions instead of pressing all four at random.
AdvancedCorner-Swing Recovery
Restore your corner in as few moves as possible after a slip.