diff --git a/src/mapper/mp_targt.cc b/src/mapper/mp_targt.cc
index 1ea92df..7d7799b 100644
--- a/src/mapper/mp_targt.cc
+++ b/src/mapper/mp_targt.cc
@@ -11,9 +11,20 @@
 
 namespace fallout {
 
+#define TARGET_DAT "target.dat"
+
+typedef struct TargetList {
+    int field_0;
+    int field_4;
+    int field_8;
+} TargetList;
+
 // 0x53F354
 static char default_target_path_base[] = "\\fallout2\\dev\\proto\\";
 
+// 0x559CC4
+static TargetList targetlist = { 0 };
+
 // 0x559CD0
 static char* target_path_base = default_target_path_base;
 
@@ -73,6 +84,29 @@ int target_exit()
     return 0;
 }
 
+// 0x49B454
+int target_header_save()
+{
+    char path[COMPAT_MAX_PATH];
+    FILE* stream;
+
+    target_make_path(path, -1);
+    strcat(path, TARGET_DAT);
+
+    stream = fopen(path, "wb");
+    if (stream == NULL) {
+        return -1;
+    }
+
+    if (fwrite(&targetlist, sizeof(targetlist), 1, stream) != 1) {
+        // FIXME: Leaking `stream`.
+        return -1;
+    }
+
+    fclose(stream);
+    return 0;
+}
+
 // 0x49BD98
 int pick_rot()
 {
diff --git a/src/mapper/mp_targt.h b/src/mapper/mp_targt.h
index 2a0578d..1fd3d19 100644
--- a/src/mapper/mp_targt.h
+++ b/src/mapper/mp_targt.h
@@ -8,6 +8,7 @@ bool target_overriden();
 void target_make_path(char* path, int pid);
 int target_init();
 int target_exit();
+int target_header_save();
 int pick_rot();
 int target_pick_global_var(int* value_ptr);
 int target_pick_map_var(int* value_ptr);