Klax is an action/puzzle game where your goal is to catch assorted falling tiles and create rows, columns, or diagonals of a single color. The objective of each level changes, requiring you to build a specific pattern. As the game progresses, the tiles fall faster, more at once, and in an increasing number of colors.
Gameplay involves navigating your Klax unit around a grid to catch falling tiles. You can move your unit left or right to get into position, then use your grabber to pick up the tiles. The faster you act, the better your chances of completing the level. With each new level comes a different pattern to replicate, requiring quick reflexes and strategic thinking.