Unity C# code for grabbing a publicly published Google Docs spreadsheet

DemoSpreadsheet.cs

using UnityEngine;
using System.Collections;
using UnityEngine.UI;

// usage: place on a UI Text object to visualize spreadsheet data

// preparing a Google Doc: make sure you go to File >> Publish... "Share" does NOT work for this

// publicly editable: https://docs.google.com/spreadsheets/d/1QDaGFXxh3zbVTcQKXygKZ67_EFXjUlGbHbK21ICvv-k/edit?usp=sharing
// view as HTML: https://docs.google.com/spreadsheets/d/1QDaGFXxh3zbVTcQKXygKZ67_EFXjUlGbHbK21ICvv-k/pubhtml

// view as CSV: https://spreadsheets.google.com/pub?hl=en&hl=en&key=1QDaGFXxh3zbVTcQKXygKZ67_EFXjUlGbHbK21ICvv-k&output=csv
// CSV URL template: https://spreadsheets.google.com/pub?hl=en&hl=en&key=  +INSERT DOC ID KEY HERE+  &output=csv


public class DemoSpreadsheet : MonoBehaviour {

	public string spreadsheetKey = "1QDaGFXxh3zbVTcQKXygKZ67_EFXjUlGbHbK21ICvv-k";

	// Start can be used as a coroutine
	IEnumerator Start() {
		// create a new "WWW" object that will fetch the web data
		WWW webRequest = new WWW( "https://spreadsheets.google.com/pub?hl=en&hl=en&key=" + spreadsheetKey + "&output=csv" );
		
		// wait until the web data has finished downloading
		yield return webRequest;
		// you could also see whether (WWW.isDone == true) to see if it has finished yet
		
		// treat the web data like alphanumeric text (a string)
		var csvData = webRequest.text;

		// convert text into rows by splitting along line breaks
		string[] rows = csvData.Split ( "\n" [0] );

		// print rows
		foreach ( var row in rows ) {
			Debug.Log ( row );
			GetComponent<Text>().text += row + "\n";
			yield return 0;
		}
	}
}