diff --git a/src/zr/napalm.inc b/src/zr/napalm.inc
new file mode 100644
index 0000000..eb91502
--- /dev/null
+++ b/src/zr/napalm.inc
@@ -0,0 +1,100 @@
+/*
+ * ============================================================================
+ *
+ *   Zombie:Reloaded
+ *
+ *   File:        napalm.inc
+ *   Description: Grenades burn zombies when damaged by them.
+ *
+ * ============================================================================
+ */
+
+/**
+ * The fuse length of an hegrenade.
+ */ 
+#define GRENADE_FUSE_TIME 3.0
+
+/**
+ *  Client has been hurt.
+ * 
+ * @param client    The client index.
+ * @param weapon    The weapon name. 
+ */
+NapalmOnClientHurt(client, const String:weapon[])
+{
+    // If player isn't a zombie, then stop.
+    if (!IsPlayerZombie(client))
+    {
+        return;
+    }
+    
+    // If napalm time is invalid or 0, then stop.
+    new Float:napalm_time = ClassGetNapalmTime(client);
+    if (napalm_time <= 0.0)
+    {
+        return;
+    }
+    
+    // If weapon is a grenade, then ignite player.
+    if (StrEqual(weapon, "hegrenade", false))
+    {
+        // Put any existing fire out.
+        ExtinguishEntity(client);
+        
+        // Re-ignite to start burn-time over.
+        IgniteEntity(client, napalm_time);
+    }
+}
+
+/**
+ *  Weapon has been fired.
+ *
+ * @param weapon       The weapon name. 
+ */
+NapalmOnWeaponFire(const String:weapon[])
+{
+    // If ignite grenade is disabled, then stop.
+    new bool:ignitegrenade = GetConVarBool(gCvars[CVAR_NAPALM_IGNITEGRENADE]);
+    if (!ignitegrenade)
+    {
+        return;
+    }
+    
+    // If weapon isn't a grenade, then stop.
+    if (!StrEqual(weapon, "hegrenade", false))
+    {
+        return;
+    }
+    
+    // Wait .1 seconds.
+    CreateTimer(0.1, NapalmIgniteGrenade);
+}
+
+/**
+ * Timer callback, ignite's all hegrenade projectiles.
+ * 
+ * @param timer     The timer handle.
+ */   
+public Action:NapalmIgniteGrenade(Handle:timer)
+{
+    decl String:classname[64];
+    
+    // Get max entities.
+    new maxentities = GetMaxEntities();
+    
+    // x = entity index.
+    for (new x = 0; x <= maxentities; x++)
+    {
+        // If entity is invalid, then stop.
+        if(!IsValidEdict(x))
+        {
+            continue;
+        }
+        
+        GetEdictClassname(x, classname, sizeof(classname));
+        if(StrEqual(classname, "hegrenade_projectile"))
+        {
+            IgniteEntity(x, GRENADE_FUSE_TIME);
+        }
+    }
+}
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