diff --git a/Kaos.c b/Kaos.c
index b6861ab..de62882 100644
--- a/Kaos.c
+++ b/Kaos.c
@@ -387,10 +387,20 @@ void deleteFaceEachother(Kaos* target)
 }
 
 #ifdef SOUND_ON
-Kaos* newPlaySound(int i)
+Kaos* newPlaySound(char* args)
 {
   Kaos* core = rawKaos();
   PlaySound* self = malloc(sizeof(PlaySound));
+  int i;
+
+  if (sscanf(args, "slot %d", &i) != 1)
+  {
+    free(core);
+    free(self);
+    core = NULL;
+    self = NULL;
+    return core;
+  }
 
   self->i = i;
 
@@ -414,10 +424,21 @@ void deletePlaySound(Kaos* target)
 }
 #endif
 
-Kaos* newErase(char t, int i)
+Kaos* newErase(char* args)
 {
   Kaos* core = rawKaos();
   Erase* self = malloc(sizeof(Erase));
+  char t;
+  int i;
+
+  if (sscanf(args, "objType %c, slot %d", &t, &i) != 2)
+  {
+    free(core);
+    free(self);
+    core = NULL;
+    self = NULL;
+    return core;
+  }
 
   self->type = t;
   self->index = i;
@@ -459,11 +480,23 @@ void deleteErase(Kaos* target)
   free(target);
 }
 
-Kaos* newWait(char t, int i)
+Kaos* newWait(char* args)
 {
   Kaos* core = rawKaos();
   Wait* self = malloc(sizeof(Wait));
 
+  char t;
+  int i;
+
+  if (sscanf(args, "wType %c, time %d", &t, &i) != 2)
+  {
+    free(core);
+    free(self);
+    core = NULL;
+    self = NULL;
+    return core;
+  }
+
   self->type = t;
   self->frames = i;
 
diff --git a/Kaos.h b/Kaos.h
index 41cd9f8..1209c19 100644
--- a/Kaos.h
+++ b/Kaos.h
@@ -120,11 +120,11 @@ void runPlaySound(Kaos* self);
 void deletePlaySound(Kaos* target);
 #endif
 
-Kaos* newErase(char t, int i);
+Kaos* newErase(char* args);
 void runErase(Kaos* self);
 void deleteErase(Kaos* target);
 
-Kaos* newWait(char t, int i);
+Kaos* newWait(char* args);
 void runWait(Kaos* self);
 void deleteWait(Kaos* target);
 
diff --git a/WorldData.c b/WorldData.c
index 6ed2410..19538d5 100644
--- a/WorldData.c
+++ b/WorldData.c
@@ -258,7 +258,7 @@ int buildKaos(char* props)
       fp = &newConversation;
       break;
     case 'W':
-//      fp = &newWait;
+      fp = &newWait;
       break;
     case 'M':
       fp = &newManip;
@@ -274,14 +274,14 @@ int buildKaos(char* props)
       break;
     case 'S':
 #ifdef SOUND_ON
-      //fp = &newPlaySound;
+      fp = &newPlaySound;
       break;
 #endif
     case 'T':
       fp = &newTeleport;
       break;
     case 'E':
-      //fp = &newErase;
+      fp = &newErase;
       break;
   }
   if (fp && !(kaosData[slot] = fp(kProps)))