The document provides step-by-step instructions for playing a puzzle game. It describes the launch screen, welcome scene, level selection, gameplay involving matching and removing puzzle pieces, bonus features like hints and shuffling, a pause option, and scoring/sharing outcomes after completing a level or running out of time.

1. Open the project with Xcode.
Run the program, you will first see launch screen:

2. After a while, the program will automatically jump to welcome scene:

3. Click on the “Play” button, the level selection scene will pop up:

4. Click on level 1 button, the program will jump to game scene

5. Click on one of the piece with character:
That piece should be highlighted:
Click on another piece with the same character, there should be a
valid path between them. The path connecting the two pieces will
appear, and the two pieces will disappear. Combo/score info should
be updated. You will also hear a “Ka-ching” sound:

6. Click on the restart button:
A new game should appear. Click on one of the piece with character:
it should be highlighted:
then click on a piece with a different character:
the highlight should disappear, the combo and score should not
change, time decrements. You will also hear an error sound:

7. Restart the game. Click on the bomb button, two pieces will be
removed from the board. You will also hear an explosion sound:

8. Click on the lightbulb hint button, two pieces will change their sizes,
you will also hear a “Duang” sound:

9. Click on the timer button, you will see an increment in remaining time:

10. Click on the shuffle button, the board will be shuffled:

11. Click on the pause button:
The game should be paused with a pop up window:
Click on the resume button:
The pop up window should disappear, and the game resumes.

12. Click on the “back” button:
It will switch back to the level selection view, and you can choose any
level from there:

13. If you finish the game within total time, the game should switch to a
new view with your score/star-rating/sharing:
There are 4 possible scenarios:

14. Click on the Facebook sharing button, login with your Facebook
account:
After you login, you can share your game score:

15. If you do not finish the game within total time, the game should switch
to a new view with “game over” sign.
Press the “back to menu” button:

16. You should see the level selection view:
Click on “LEVEL∞”, a new game without timer will start:

17. If you clear the board, a new board with pieces will appear, you score
will be kept: