diff --git a/source/exhumed/src/bubbles.cpp b/source/exhumed/src/bubbles.cpp
index 588415613..bed931175 100644
--- a/source/exhumed/src/bubbles.cpp
+++ b/source/exhumed/src/bubbles.cpp
@@ -47,34 +47,51 @@ struct machine
     short _4;
 };
 
-short BubbleCount = 0;
-
-short nFreeCount;
 short nMachineCount;
-
-uint8_t nBubblesFree[kMaxBubbles];
 machine Machine[kMaxMachines];
-Bubble BubbleList[kMaxBubbles];
 
-static SavegameHelper sghbubbles("bubbles",
-    SV(BubbleCount),
-    SV(nFreeCount),
-    SV(nMachineCount),
-    SA(nBubblesFree),
-    SA(Machine),
-    SA(BubbleList),
-    nullptr);
+FreeListArray<Bubble, kMaxBubbles> BubbleList;
+
+FSerializer& Serialize(FSerializer& arc, const char* keyname, Bubble& w, Bubble* def)
+{
+    if (arc.BeginObject(keyname))
+    {
+        arc("seq", w.nSeq)
+            ("frame", w.nFrame)
+            ("run", w.nRun)
+            ("sprite", w.nSprite)
+            .EndObject();
+    }
+    return arc;
+}
+
+FSerializer& Serialize(FSerializer& arc, const char* keyname, machine& w, machine* def)
+{
+    if (arc.BeginObject(keyname))
+    {
+        arc("at0", w._0)
+            ("at4", w._4)
+            ("sprite", w.nSprite)
+            .EndObject();
+    }
+    return arc;
+}
+
+void SerializeBubbles(FSerializer& arc)
+{
+    if (arc.BeginObject("bubbles"))
+    {
+        arc ("machinecount", nMachineCount)
+            ("list", BubbleList)
+            .Array("machines", Machine, nMachineCount)
+            .EndObject();
+    }
+}
 
 void InitBubbles()
 {
-    BubbleCount = 0;
     nMachineCount = 0;
-
-    for (int i = 0; i < kMaxBubbles; i++) {
-        nBubblesFree[i] = i;
-    }
-
-    nFreeCount = kMaxBubbles;
+    BubbleList.Clear();
 }
 
 void DestroyBubble(short nBubble)
@@ -87,14 +104,12 @@ void DestroyBubble(short nBubble)
 
     mydeletesprite(nSprite);
 
-    nBubblesFree[nFreeCount] = nBubble;
-
-    nFreeCount++;
+    BubbleList.Release(nBubble);
 }
 
-short GetBubbleSprite(short nBubble)
+short GetBubbleSprite(int nBubble)
 {
-    return BubbleList[nBubble].nSprite;
+    return BubbleList[nBubble & 0xffff].nSprite;
 }
 
 int BuildBubble(int x, int y, int z, short nSector)
@@ -104,14 +119,11 @@ int BuildBubble(int x, int y, int z, short nSector)
         nSize -= 4;
     }
 
-    if (nFreeCount <= 0) {
+    int nBubble = BubbleList.Get();
+    if (nBubble < 0) {
         return -1;
     }
 
-    nFreeCount--;
-
-    uint8_t nBubble = nBubblesFree[nFreeCount];
-
     int nSprite = insertsprite(nSector, 402);
     assert(nSprite >= 0 && nSprite < kMaxSprites);
 
diff --git a/source/exhumed/src/gun.cpp b/source/exhumed/src/gun.cpp
index 6293362a8..5334409fd 100644
--- a/source/exhumed/src/gun.cpp
+++ b/source/exhumed/src/gun.cpp
@@ -59,13 +59,19 @@ Weapon WeaponInfo[] = {
 
 short nTemperature[kMaxPlayers];
 short nMinAmmo[] = { 0, 24, 51, 50, 1, 0, 0 };
-short word_96E26 = 0;
+short isRed = 0;
 
-static SavegameHelper sghgun("gun",
-    SA(nTemperature),
-    SV(word_96E26),
-    nullptr);
 
+void SerializeGun(FSerializer& arc)
+{
+    if (arc.BeginObject("gun"))
+    {
+        arc.Array("temperature", nTemperature, kMaxPlayers)
+            ("isred", isRed)
+            .EndObject();
+            
+    }
+}
 
 void RestoreMinAmmo(short nPlayer)
 {
@@ -947,11 +953,11 @@ void DrawWeapons(double smooth)
 
     if (nDouble)
     {
-        if (word_96E26) {
+        if (isRed) {
             nPal = kPalRedBrite;
         }
 
-        word_96E26 = word_96E26 == 0;
+        isRed = isRed == 0;
     }
 
     nPal = RemapPLU(nPal);
diff --git a/source/exhumed/src/save.cpp b/source/exhumed/src/save.cpp
index c080e2fc0..494b31bcd 100644
--- a/source/exhumed/src/save.cpp
+++ b/source/exhumed/src/save.cpp
@@ -30,6 +30,8 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 BEGIN_PS_NS
 
 void SerializeAnim(FSerializer& arc);
+void SerializeBubbles(FSerializer& arc);
+void SerializeGun(FSerializer& arc);
 void SerializeItems(FSerializer& arc);
 void SerializeMove(FSerializer& arc);
 void SerializeLighting(FSerializer& arc);
@@ -74,6 +76,8 @@ void GameInterface::SerializeGameState(FSerializer& arc)
     if (arc.BeginObject("exhumed"))
     {
     SerializeAnim(arc);
+    SerializeBubbles(arc);
+    SerializeGun(arc);
     SerializeItems(arc);
     SerializeMove(arc);
     SerializeLighting(arc);