Stack is a 3D simulation video game. Players are challenged with the task of stacking square blocks on top of each other to build a tower as high as possible. The game is simple but requires high concentration and quick reflexes. Currently, Stack has become one of the most popular entertainment games on many platforms.
Stack features a simple yet modern graphic style, using bright colours and smooth transitions between levels. The sound in the game is also designed to reflect each player's actions.
The goal of the game is to build the tower as high as possible to achieve a high score. Players can compare their scores with those of friends through the ranking system. That way, the game will give players more motivation to improve their skills and achieve better results.
The player will tap the screen to place a square block so that it overlaps the bottom block. If the block is placed incorrectly, the mismatched part is cut off, making the next block smaller. This process continues until there is no more space left to place any more blocks.