diff --git a/src/Mono.cs b/src/Mono.cs
index 03eadae..f3fa65a 100644
--- a/src/Mono.cs
+++ b/src/Mono.cs
@@ -23,6 +23,8 @@ static class Mono
     }
     public static Mode mode;
 
+    public static Enemy[] enemy_types;
+
     public static void Init()
     {
         game_time = 0.0;
@@ -31,6 +33,11 @@ static class Mono
         menu_pose = new(0, 0, 0);
         menu_scale = 1 * U.cm;
         mode = Mode.Mount;
+
+        enemy_types = new Enemy[] {
+            new("d"), new("s"), new("h"),
+            new("ds"), new("sh"), new("hd"),
+        };
     }
 
     public static void Frame()