bullets that do damage

Questions & Answers
1

I have a code here (C#) so that when my bullet collides with my enemy the enemy looses life and the bullet gets destroyed, but it wouldn’t work, please help

using UnityEngine;
using System.Collections;

public class EnemyHealth : MonoBehaviour {
public int maxHealth = 100;
public int curHealth = 100;

// Use this for initialization
void Start () {

}

// Update is called once per frame
void Update () {
	if (curHealth <1){
	Destroy(gameObject);	
	}

}
void OnCollisionEnter(Collision col){
	if (col.gameObject.tag == "Bullet"){
		curHealth -= 20;
		Destroy(gameObject.tag )("Bullet");
	}
}

void OnGUI() {
GUI.Box(new Rect(10,40, Screen.width / 2 / (maxHealth / curHealth), 20), curHealth + "/" + maxHealth);	
}

}

I tagged my bullet as: Bullet

2

using UnityEngine;
using System.Collections;

public class EnemyHealth : MonoBehaviour { 
public int maxHealth = 100; 
public int curHealth = 100;

//initialization 
void Start () { } 

// Update 
void Update () { 
    if (curHealth <1){ 
        Destroy(gameObject); 
    } 
} 
void OnCollisionEnter(Collision col) { 
    if (col.gameObject.tag == "Bullet"){ 
       curHealth -= 20;
       Destroy(col.other);
    } 
}