1. Open the Water Sort Puzzle game on your mobile device.

2. Observe the different glass bottles on the screen, each containing layers of colored water.

3. Your goal is to sort the water so that each bottle contains only one color.

4. Tap on any glass bottle to select it.

5. Tap on another bottle to pour the top layer of water into it.

6. You can only pour water into a bottle if the top color matches and there is enough space in the target bottle.

7. Continue transferring water between bottles to group the same colors together.

8. Plan your moves carefully to avoid getting stuck with no valid moves left.

9. If you get stuck, you can use the restart button to start the level over.

10. Use the undo option to go back a step if you make a mistake.

11. If needed, use the add bottle button to get an extra empty bottle for more space.

12. Complete the level when all bottles contain a single color.

13. Advance to the next puzzle and continue sorting.

14. Challenge yourself with hundreds of levels that get harder as you progress.

15. Relax and enjoy the colorful gameplay while training your brain.