How to Solve Tiles: Slide Puzzles Without Getting Lost

Tiles is a 3 by 3 sliding puzzle with numbers 1 through 8 and one blank. Tap or swipe a tile next to the blank to move it. The solved board reads 1, 2, 3 across the top, 4, 5, 6 across the middle, and 7, 8, blank across the bottom.

The easiest way to get lost is to chase whichever number looks closest to home. A repeatable layer-by-layer method is slower than a lucky scramble, but far faster than wandering.

Phase 1: learn to route the blank

A tile moves only when the blank is beside it. Before trying to place a number, decide where the blank must be for the final slide. Then route the blank around the target without knocking a solved tile out of place.

This shift in perspective is fundamental. You are not moving tile 4 directly; you are steering the blank to the side of 4 that produces the move you want.

Phase 2: solve the top row as a unit

Put 1 and 2 in useful positions, then arrange 3 so the entire row can settle together. If you place 1 permanently too early, you may block the circulation needed to bring 2 and 3 around it.

Once 1, 2, 3 are correct, keep the blank below that row. Treat the top as frozen unless you deliberately use a known cycle that restores it.

Phase 3: build the second row without breaking the first

Work on 4, 5, and 6 using the lower two rows as your workspace. Move the blank in loops around the center so tiles rotate through available positions. Avoid pushing upward into the solved top row.

The central tile is a traffic circle. Planning a small cycle around it is usually more efficient than pulling a target straight toward its destination.

Phase 4: rotate the final trio

With the first two rows correct, 7, 8, and the blank should finish through a short cycle. Do not dismantle the board to swap the last two numbers. Legal starting boards are solvable, so the correct cycle will preserve the rows above.

Three habits that cut wasted moves

• Avoid immediate reversals such as moving left and then right.
• Before a swipe, know the next position you want for the blank.
• When a solved row breaks, restore it immediately or consciously restart that layer.

When your board feels worse after every move

Stop and identify the highest complete layer. Preserve everything above it and rebuild only below. If there is no complete layer, return to the first row method instead of trying to repair three separate numbers at once.

Why the last two tiles cannot simply swap

A legal move exchanges one tile with the blank, not two numbered tiles with each other. That is why an endgame showing 7 and 8 reversed cannot be repaired with one local swap. You need to circulate them through a larger loop that includes the blank.

If the top two rows are correct, keep them fixed and cycle only the bottom area. If the required cycle seems impossible, the second row was probably locked in the wrong order earlier. Back up one layer instead of scrambling the entire board.

Speed comes after a reliable method

For a first solve, favor moves that preserve completed layers. Once the method is automatic, reduce moves by planning the blank's complete loop before executing it. Immediate reversals and accidental entries into a solved row are the easiest waste to eliminate.

Practice mode is ideal for learning blank loops because the geometry never changes: every move swaps the blank with one orthogonal neighbor. Once you can picture that loop before touching the board, Tiles becomes a compact sequence of setups and rotations rather than a scramble.

A new Tiles puzzle is available every day. For more repetitions with the same rules, open Practice and choose Tiles.