diff --git a/src/SB/Core/x/xGrid.h b/src/SB/Core/x/xGrid.h
index bbfa803fa..f3d9b257d 100644
--- a/src/SB/Core/x/xGrid.h
+++ b/src/SB/Core/x/xGrid.h
@@ -62,6 +62,7 @@ typedef S32 (*GridEntCallback)(xEnt*, void*);
 extern volatile S32 gGridIterActive;
 
 void xGridBoundInit(xGridBound* gridb, void* data);
+void xGridKill(xGrid* grid);
 void xGridEmpty(xGrid* grid);
 S32 xGridRemove(xGridBound* gridb);
 xGridBound** xGridGetCell(xGrid* grid, const xEnt* ent, S32& grx, S32& grz);
diff --git a/src/SB/Game/zGrid.cpp b/src/SB/Game/zGrid.cpp
index 8e6fcb761..1230141f6 100644
--- a/src/SB/Game/zGrid.cpp
+++ b/src/SB/Game/zGrid.cpp
@@ -1,3 +1,20 @@
 #include "zGrid.h"
+#include "xGrid.h"
+#include "xString.h"
 
 #include <types.h>
+
+xGrid colls_grid;
+xGrid colls_oso_grid;
+xGrid npcs_grid;
+static int zGridInitted;
+
+void zGridExit(zScene* s)
+{
+    xGridKill(&colls_grid);
+    xGridKill(&colls_oso_grid);
+    xGridKill(&npcs_grid);
+
+    gGridIterActive = NULL;
+    zGridInitted = NULL;
+}
\ No newline at end of file
diff --git a/src/SB/Game/zNPCGoalVillager.h b/src/SB/Game/zNPCGoalVillager.h
index bbb0da4c8..e37fb6573 100644
--- a/src/SB/Game/zNPCGoalVillager.h
+++ b/src/SB/Game/zNPCGoalVillager.h
@@ -167,6 +167,13 @@ struct zNPCGoalBoySwim : zNPCGoalCommon
     }
 };
 
+struct NPCSndProp
+{
+    en_NPC_SOUND sndtype;
+    int flg_snd;
+    float tym_delayNext;
+};
+
 xFactoryInst* GOALCreate_Villager(S32 who, RyzMemGrow* grow, void*);
 
 #endif
diff --git a/src/SB/Game/zNPCSndTable.cpp b/src/SB/Game/zNPCSndTable.cpp
index 8df3d6960..846fd8b49 100644
--- a/src/SB/Game/zNPCSndTable.cpp
+++ b/src/SB/Game/zNPCSndTable.cpp
@@ -1,7 +1,62 @@
 #include "zNPCSndTable.h"
+#include "zNPCGoalVillager.h"
+
+#include "xString.h"
 
 #include <types.h>
 
+static char* g_strz_sndgroup[26];
+static unsigned int g_hash_sndgroup[26];
+static float g_tmrz_sndplay[26];
+
+NPCSndProp g_sndProps[];
+
+void NPCS_Startup()
+{
+    for (int i = 0; i < (int)(sizeof(g_strz_sndgroup) / sizeof(char*)); i++)
+    {
+        g_hash_sndgroup[i] = xStrHash(g_strz_sndgroup[i]);
+    }
+}
+
 void NPCS_Shutdown()
 {
 }
+
+int NPCS_SndOkToPlay(en_NPC_SOUND sndtype)
+{
+    if (sndtype == NPC_STYP_BOGUS)
+    {
+        return 1;
+    }
+    if (sndtype == NPC_STYP_LISTEND)
+    {
+        return 0;
+    }
+    return g_tmrz_sndplay[sndtype] < 0.0f;
+}
+
+void NPCS_SndTypePlayed(en_NPC_SOUND sndtype, float delayNext)
+{
+    float tym = 2.0f;
+
+    switch (sndtype)
+    {
+        case NPC_STYP_TIKISTACK:
+            tym = 0.15f;
+            break;
+        case NPC_STYP_TIKIEXPLODE:
+            tym = 2.0f;
+            break;
+        default:
+            tym = -1.0f;
+            break;
+    }
+
+    if (delayNext > 0.0f)
+    {
+        tym = delayNext;
+    }
+
+    g_tmrz_sndplay[sndtype] = tym;
+}