diff --git a/cstrike/cfg/sourcemod/zombiereloaded/classic.cfg b/cstrike/cfg/sourcemod/zombiereloaded/classic.cfg
new file mode 100644
index 0000000..46f75ce
--- /dev/null
+++ b/cstrike/cfg/sourcemod/zombiereloaded/classic.cfg
@@ -0,0 +1,5 @@
+// Dummy config that's not doing anything so classic settings will be kept. It's
+// still possible to add stuff here for configuring classic mode if something
+// differ from the default configuration.
+
+// Used by randommode.cfg.
diff --git a/cstrike/cfg/sourcemod/zombiereloaded/gamemode-examples/cs_italy.cfg b/cstrike/cfg/sourcemod/zombiereloaded/gamemode-examples/cs_italy.cfg
index f3ff255..d0e385c 100644
--- a/cstrike/cfg/sourcemod/zombiereloaded/gamemode-examples/cs_italy.cfg
+++ b/cstrike/cfg/sourcemod/zombiereloaded/gamemode-examples/cs_italy.cfg
@@ -1,4 +1,4 @@
 // Place this in cfg/sourcemod/zombiereloaded to use it.
 
-// Use survivor mode in cs_italy.
-exec sourcemod/zombiereloaded/survivor.cfg
+// Enable a random mode in cs_italy.
+exec sourcemod/zombiereloaded/randommode.cfg
diff --git a/cstrike/cfg/sourcemod/zombiereloaded/randommode.cfg b/cstrike/cfg/sourcemod/zombiereloaded/randommode.cfg
new file mode 100644
index 0000000..50bdee0
--- /dev/null
+++ b/cstrike/cfg/sourcemod/zombiereloaded/randommode.cfg
@@ -0,0 +1,7 @@
+cfglist_create zr_modes
+cfglist_add zr_modes sourcemod/zombiereloaded/classic.cfg
+cfglist_add zr_modes sourcemod/zombiereloaded/nemesis.cfg
+cfglist_add zr_modes sourcemod/zombiereloaded/survivor.cfg
+cfglist_add zr_modes sourcemod/zombiereloaded/swarm.cfg
+cfglist_exec_random zr_modes
+cfglist_delete zr_modes
diff --git a/cstrike/cfg/sourcemod/zombiereloaded/swarm.cfg b/cstrike/cfg/sourcemod/zombiereloaded/swarm.cfg
index 3d25d65..421f744 100644
--- a/cstrike/cfg/sourcemod/zombiereloaded/swarm.cfg
+++ b/cstrike/cfg/sourcemod/zombiereloaded/swarm.cfg
@@ -23,3 +23,9 @@ zr_infect_mzombie_respawn 1
 // Disable respawning.
 zr_respawn 0
 zr_zspawn 0
+
+// Use the ConfigList plugin to post execute swarm.post.cfg. ZR will detect this
+// plugin and execute the "zr_post_exec" list if it exists.
+cfglist_delete zr_post_exec
+cfglist_create zr_post_exec
+cfglist_add zr_post_exec sourcemod/zombiereloaded/swarm.post.cfg
diff --git a/src/zombiereloaded.sp b/src/zombiereloaded.sp
index c239389..08b8c5f 100644
--- a/src/zombiereloaded.sp
+++ b/src/zombiereloaded.sp
@@ -174,6 +174,24 @@ public OnAllPluginsLoaded()
 {
     // Forward event to modules.
     WeaponsOnAllPluginsLoaded();
+    ConfigOnAllPluginsLoaded();
+}
+
+/**
+ * A library was added.
+ */
+public OnLibraryAdded(const String:name[])
+{
+    // Forward event to modules.
+    ConfigOnLibraryAdded(name);
+}
+
+/**
+ * A library was removed.
+ */
+public OnLibraryRemoved(const String:name[])
+{
+    ConfigOnLibraryRemoved(name);
 }
 
 /**
diff --git a/src/zr/config.inc b/src/zr/config.inc
index f11418a..f27c5b1 100644
--- a/src/zr/config.inc
+++ b/src/zr/config.inc
@@ -170,6 +170,11 @@ enum ConfigData
  */
 new g_ConfigData[ConfigFile][ConfigData];
 
+/**
+ * Stores status of the optional ConfigList plugin.
+ */
+new bool:g_ConfigListAvailable = false;
+
 /**
  * Actions to use when working on key/values.
  */
@@ -250,6 +255,14 @@ ConfigOnModulesLoaded()
         return;
     }
     
+    // Check if ConfigList is available.
+    if (g_ConfigListAvailable)
+    {
+        // Execute the zr_post_exec list before the map config file. This list
+        // may not exist, but that's ok.
+        ServerCommand("cfglist_exec_list zr_post_exec");
+    }
+    
     // Execute config file.
     ServerCommand("exec %s", mapconfig);
     
@@ -257,6 +270,38 @@ ConfigOnModulesLoaded()
     LogEvent(false, LogType_Normal, LOG_CORE_EVENTS, LogModule_Config, "Post Map Configs", "Executed post map config file: %s", path);
 }
 
+/**
+ * All plugins have finished loading.
+ */
+ConfigOnAllPluginsLoaded()
+{
+    g_ConfigListAvailable = LibraryExists("configlist");
+}
+
+/**
+ * A library was added.
+ */
+ConfigOnLibraryAdded(const String:name[])
+{
+    if (StrEqual(name, "configlist"))
+    {
+        // ConfigList loaded.
+        g_ConfigListAvailable = true;
+    }
+}
+
+/**
+ * A library was removed.
+ */
+ConfigOnLibraryRemoved(const String:name[])
+{
+    if (StrEqual(name, "configlist"))
+    {
+        // ConfigList was unloaded.
+        g_ConfigListAvailable = false;
+    }
+}
+
 /**
  * Used by modules that rely on configs to register their config file info.
  * (Don't forget to set 'loaded' to 'true' (ConfigSetConfigLoaded) in config load function)