Game Rules:

1. Rule 1: The main objective of Impossible 13 is to reach the number 13 by combining circles with the same number.
2. Rule 2: To combine circles, you need to find at least three adjacent circles that share the same color and number.
3. Rule 3: Once you find a suitable group of circles, drag your left mouse button over them to merge them together.
4. Rule 4: The newly formed circle will have a number one higher than the merged circles, and its color will change accordingly.
5. Rule 5: Keep combining circles strategically, accumulating numbers higher and higher until you successfully create the ultimate Impossible 13 circle.

Controls:

1. Action: Click and hold the left mouse button on a circle.
2. Action: Drag the cursor over adjacent circles with the same number and color.
3. Action: Release the left mouse button to merge the selected circles.

FAQ:

1. Q: Can I combine only two circles?

No, you need at least three adjacent circles with the same number and color to merge them.

2. Q: What happens if I reach 13?

Congratulations! You have completed the objective of the game. However, you can continue playing to achieve a higher score.

3. Q: Is there a time limit?

No, there is no time limit in Impossible 13. You can take your time to plan your moves carefully.