1. Launch the game "Chain Cube 2048 3D" on your mobile device.

2. Tap the screen to begin playing.

3. A cube with a number, such as 2 or 4, appears in the launcher at the bottom of the screen.

4. Aim by dragging your finger left or right to choose the direction in which you want to shoot the cube.

5. Release your finger to shoot the cube into the 3D playing area.

6. When cubes with the same number collide, they automatically merge into a new cube with double the value.

7. Continue shooting cubes and merging matching numbers to build higher-value cubes.

8. The goal is to reach a cube with the number 2048 by continuously merging matching cubes.

9. Pay attention to the direction and position of the cubes to create chain reactions and efficient merges.

10. Avoid letting the stack of cubes grow too high, or it may become difficult to make new merges.

11. Use quick thinking and planning to keep the board manageable and make room for new cubes.

12. The game continues until you can no longer make moves or you successfully create a 2048 cube.

13. Try to beat your high score by making smart merges and keeping the cube field clear.