Sort mixed colored blocks between columns until every stack contains a single matching color in this logic-based puzzle game.
Here's a quick look at the game:
Stack Sort by Tân Văn Mạnh is a color-sorting puzzle built around reorganizing mixed blocks across a set of columns. The objective is to keep moving blocks until every completed stack contains blocks of only one color.
Turn Mixed Columns into Color Stacks
Each puzzle begins with several colors distributed across the board. Select blocks and move them between columns to separate the mixed arrangement, gradually bringing blocks of the same color together.
The important part is planning how one move affects the remaining columns. A transfer that improves one stack can leave the other colors in a less useful arrangement, and the puzzles become more complex as you progress. Check where each color currently appears before committing to several moves in the same area of the board.
How to Play Stack Sort
On PC, click to select and move blocks. On Android and iOS devices, tap to perform the same actions. Continue reorganizing the columns until every stack on the board contains a single matching color.
Rather than concentrating only on the column closest to completion, compare several stacks before moving a block. Because the goal requires every color to be separated, improving one column matters only if the remaining blocks can still be reorganized efficiently.
Handling More Complex Puzzles
Later puzzles use more demanding starting arrangements, so planning becomes increasingly important. Look for colors that are already concentrated in one or two columns and consider organizing those first, since completing a nearly sorted color reduces the number of mixed groups you still need to track.
If a move creates more color mixing instead of reducing it, reconsider the surrounding columns before continuing. Stack Sort is solved by steadily converting the original mixed layout into clearly separated, single-color stacks.
