added game state tracking:

Assets/Prefabs/GameStateTracker.prefab.meta

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Assets/Scripts/GameStateTracker.cs

+using UnityEngine;
+using System.Collections;
+using System.Collections.Generic;
+
+public class GameStateTracker : MonoBehaviour {
+
+
+    private int numberOfPlayers;
+    /// <summary>
+    /// Numbers of Player ranked 4th to winner
+    /// </summary>
+    private int fourthPlayer;
+    private int thirdPlayer;
+    private int secondPlayer;
+    private int winnerPlayer;
+
+    private List<string> ranking;
+
+
+    void Awake()
+    {
+        ranking = new List<string>();
+    }
+
+	// Use this for initialization
+	void Start () {
+    	
+	}
+	
+	// Update is called once per frame
+	void Update () {
+	
+	}
+
+    public void setNumberOfPlayers(int players)
+    {
+        numberOfPlayers = players;
+    }
+
+
+    public void playerDied(string name)
+    {
+        if (!ranking.Contains(name))
+        {
+            ranking.Add(name);
+        }
+        if (ranking.Count >= numberOfPlayers - 1)
+        {
+            gameOver();
+        }
+    }
+
+    public void gameOver()
+    {
+        Time.timeScale = 0.0f;
+        GameObject[] players = GameObject.FindGameObjectsWithTag("Player");
+        string loser = "";
+        foreach (GameObject p in players){
+            if (p.GetComponent<PlayerHealth>().getCurrentHealth() > 0)
+            {
+                loser = p.name;
+                break;
+            }
+        }
+        if (string.IsNullOrEmpty(loser))
+        {
+            Debug.LogError("No loser found");
+            loser = "None";
+        }
+        else
+        {
+            ranking.Add(loser);
+        }
+        Debug.Log("Ranking: ");
+        for (int i = 0; i < ranking.Count; i++)
+        {
+            Debug.Log((i+1) + "th: " + ranking[i]);
+        }
+        //Ranking enthält an erster stelle den gewinner (der als erster gestorben ist) und dann absteigend die danach als String.
+    }
+
+
+
+}

Assets/Scripts/GameStateTracker.cs.meta

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+timeCreated: 1433456333
+licenseType: Free
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Assets/Scripts/PlayerHealth.cs

@@ -16,6 +16,9 @@ public class PlayerHealth : MonoBehaviour {
         if (alive && currentHealth <= 0)
         {
             Debug.Log("Player " + name + " dead.");
+            alive = false;
+            GameObject.Find("GameStateTracker").GetComponent<GameStateTracker>().playerDied(name);
+            Destroy(gameObject);
         }
 	}