Switch to the MAIN scene. Create a new script, and name it scoreScript.cs.

Attach an instance of this script to the score GameObject.

In the start method of this script, find the GameObject named Player, and then store a reference to the PlayerData component on this script.

The score script needs to update a member of the GUIText GameObject score, so the update loop that this script should be called from is OnGUI(). Inside this loop, we check for a PlayerData component as shown in the following code:

void OnGUI() { }
GameObject go = GameObject.Find("Player")

If there is one, we take the score value from PlayerData and assign it to the text field of the textbox. Note that we have to use the C# helper function .ToString() to convert...