🆙 update to 4.0.3

Emulator/src/main/java/com/eu/habbo/Emulator.java

@@ -38,7 +38,7 @@ public final class Emulator {
 
     public final static int MAJOR = 4;
     public final static int MINOR = 0;
-    public final static int BUILD = 1;
+    public final static int BUILD = 3;
     public final static String PREVIEW = "";
 
     public static final String version = "Arcturus Morningstar" + " " + MAJOR + "." + MINOR + "." + BUILD + " " + PREVIEW;

Emulator/src/main/java/com/eu/habbo/habbohotel/games/battlebanzai/BattleBanzaiGame.java

@@ -21,8 +21,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.util.*;
-import java.util.concurrent.Executors;
-import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.*;
 
 public class BattleBanzaiGame extends Game {
     private static final Logger LOGGER = LoggerFactory.getLogger(BattleBanzaiGame.class);
@@ -39,9 +38,29 @@ public class BattleBanzaiGame extends Game {
 
     public static final int POINTS_LOCK_TILE = Emulator.getConfig().getInt("hotel.banzai.points.tile.lock", 1);
 
-    private static final ThreadPoolExecutor executor = (ThreadPoolExecutor) Executors.newFixedThreadPool(Emulator.getConfig().getInt("hotel.banzai.fill.threads", 2));
+    /**
+     * Maximum number of pending flood-fill tasks allowed in the queue.
+     * This prevents memory exhaustion from rapid tile locking via wireds.
+     */
+    private static final int MAX_PENDING_FILL_TASKS = Emulator.getConfig().getInt("hotel.banzai.fill.max_queue", 50);
+    
+    /**
+     * Minimum interval in milliseconds between flood-fill calculations for the same game.
+     * This prevents abuse via rapid wired triggering.
+     */
+    private static final int FLOOD_FILL_COOLDOWN_MS = Emulator.getConfig().getInt("hotel.banzai.fill.cooldown_ms", 100);
+
+    private static final ThreadPoolExecutor executor = new ThreadPoolExecutor(
+            Emulator.getConfig().getInt("hotel.banzai.fill.threads", 2),
+            Emulator.getConfig().getInt("hotel.banzai.fill.threads", 2),
+            60L, TimeUnit.SECONDS,
+            new LinkedBlockingQueue<>(MAX_PENDING_FILL_TASKS),
+            new ThreadPoolExecutor.DiscardOldestPolicy() // Drop oldest task when queue is full
+    );
+    
     private final THashMap<GameTeamColors, THashSet<HabboItem>> lockedTiles;
     private final THashMap<Integer, HabboItem> gameTiles;
+    private volatile long lastFloodFillTime = 0;
     private int tileCount;
     private int countDown;
     private int countDown2;
@@ -267,13 +286,27 @@ public class BattleBanzaiGame extends Game {
 
             if (doNotCheckFill) return;
 
+            // Rate limit flood-fill calculations to prevent memory exhaustion from rapid wired triggering
+            long now = System.currentTimeMillis();
+            if (now - this.lastFloodFillTime < FLOOD_FILL_COOLDOWN_MS) {
+                return;
+            }
+            this.lastFloodFillTime = now;
+
+            // Check if executor queue is getting too full (additional safety check)
+            if (executor.getQueue().size() >= MAX_PENDING_FILL_TASKS - 5) {
+                LOGGER.warn("Battle Banzai flood-fill queue is nearly full, skipping calculation to prevent memory issues");
+                return;
+            }
+
             final int x = item.getX();
             final int y = item.getY();
 
             final List<List<RoomTile>> filledAreas = new ArrayList<>();
             final THashSet<HabboItem> lockedTiles = new THashSet<>(this.lockedTiles.get(teamColor));
 
-            executor.execute(() -> {
+            try {
+                executor.execute(() -> {
                 filledAreas.add(this.floodFill(x, y - 1, lockedTiles, new ArrayList<>(), teamColor));
                 filledAreas.add(this.floodFill(x, y + 1, lockedTiles, new ArrayList<>(), teamColor));
                 filledAreas.add(this.floodFill(x - 1, y, lockedTiles, new ArrayList<>(), teamColor));
@@ -299,6 +332,9 @@ public class BattleBanzaiGame extends Game {
                     }
                 }
             });
+            } catch (RejectedExecutionException e) {
+                LOGGER.warn("Battle Banzai flood-fill task rejected - queue is full");
+            }
         }
     }
 

Emulator/src/main/java/com/eu/habbo/habbohotel/items/interactions/pets/InteractionPetBreedingNest.java

@@ -8,13 +8,14 @@ import com.eu.habbo.habbohotel.pets.PetManager;
 import com.eu.habbo.habbohotel.pets.PetTasks;
 import com.eu.habbo.habbohotel.pets.RideablePet;
 import com.eu.habbo.habbohotel.rooms.Room;
+import com.eu.habbo.habbohotel.rooms.RoomTile;
 import com.eu.habbo.habbohotel.rooms.RoomUnit;
+import com.eu.habbo.habbohotel.rooms.RoomUnitType;
 import com.eu.habbo.habbohotel.users.Habbo;
 import com.eu.habbo.habbohotel.users.HabboItem;
 import com.eu.habbo.messages.ServerMessage;
 import com.eu.habbo.messages.outgoing.rooms.pets.PetPackageNameValidationComposer;
 import com.eu.habbo.messages.outgoing.rooms.pets.breeding.PetBreedingCompleted;
-import com.eu.habbo.messages.outgoing.rooms.pets.breeding.PetBreedingResultComposer;
 import com.eu.habbo.threading.runnables.QueryDeleteHabboItem;
 
 import java.sql.ResultSet;
@@ -73,9 +74,11 @@ public class InteractionPetBreedingNest extends HabboItem {
                     Habbo ownerPetTwo = room.getHabbo(this.petTwo.getUserId());
 
                     if (ownerPetOne != null && ownerPetTwo != null && this.petOne.getPetData().getType() == this.petTwo.getPetData().getType() && this.petOne.getPetData().getOffspringType() != -1) {
-                        ownerPetTwo.getClient().sendResponse(new PetBreedingResultComposer(this.getId(), this.petOne.getPetData().getOffspringType(), this.petOne, ownerPetOne.getHabboInfo().getUsername(), this.petTwo, ownerPetTwo.getHabboInfo().getUsername()));
-                        this.setExtradata("1");
-                        room.updateItem(this);
+                        // Auto-breed with generated name (client doesn't have breeding dialog)
+                        String babyName = generateBabyName(this.petOne.getName(), this.petTwo.getName());
+                        this.breed(ownerPetTwo, babyName, this.petOne.getId(), this.petTwo.getId());
+                    } else {
+                        this.freePets();
                     }
                 }
             }
@@ -114,6 +117,25 @@ public class InteractionPetBreedingNest extends HabboItem {
         return false;
     }
 
+    /**
+     * Allow pets to walk onto this tile even if another pet is already on it.
+     * This is required because breeding nests are 1x1 and need 2 pets to breed.
+     */
+    @Override
+    public boolean canOverrideTile(RoomUnit unit, Room room, RoomTile tile) {
+        // Only allow override for pets when the box isn't full yet
+        if (unit.getRoomUnitType() == RoomUnitType.PET && !this.boxFull()) {
+            Pet pet = room.getPet(unit);
+            if (pet != null) {
+                // Make sure it's the right pet type for this nest
+                if (pet.getPetData() != null && pet.getPetData().getOffspringType() != -1) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
     public void stopBreeding(Habbo habbo) {
         this.setExtradata("0");
         habbo.getHabboInfo().getCurrentRoom().updateItem(this);
@@ -146,6 +168,27 @@ public class InteractionPetBreedingNest extends HabboItem {
         }
     }
 
+    private String generateBabyName(String nameOne, String nameTwo) {
+        // Take first half of parent 1's name and second half of parent 2's name
+        int mid1 = Math.max(1, nameOne.length() / 2);
+        int mid2 = nameTwo.length() / 2;
+
+        String part1 = nameOne.substring(0, mid1);
+        String part2 = nameTwo.substring(mid2);
+
+        String combined = part1 + part2;
+
+        // Ensure name is between 1 and 15 characters
+        if (combined.length() > 15) {
+            combined = combined.substring(0, 15);
+        }
+        if (combined.isEmpty()) {
+            combined = "Baby";
+        }
+
+        return combined;
+    }
+
     public void breed(Habbo habbo, String name, int petOneId, int petTwoId) {
         Emulator.getThreading().run(new QueryDeleteHabboItem(this.getId()));
 

Emulator/src/main/java/com/eu/habbo/habbohotel/pets/MonsterplantPet.java

@@ -260,6 +260,17 @@ public class MonsterplantPet extends Pet implements IPetLook {
 
     public void setDeathTimestamp(int deathTimestamp) {
         this.deathTimestamp = deathTimestamp;
+        this.needsUpdate = true;
+    }
+
+    /**
+     * Revives a dead monster plant, resetting its death timestamp and hasDied flag.
+     * Call this instead of just setDeathTimestamp when reviving with mnstr_revival.
+     */
+    public void revive() {
+        this.deathTimestamp = Emulator.getIntUnixTimestamp() + MonsterplantPet.timeToLive;
+        this.hasDied = false; // Reset so achievement can trigger again if plant dies again
+        this.needsUpdate = true;
     }
 
     public int getGrowthStage() {
@@ -284,6 +295,7 @@ public class MonsterplantPet extends Pet implements IPetLook {
 
     public void setCanBreed(boolean canBreed) {
         this.canBreed = canBreed;
+        this.needsUpdate = true;
     }
 
     public boolean breedable() {
@@ -296,15 +308,28 @@ public class MonsterplantPet extends Pet implements IPetLook {
 
     public void setPubliclyBreedable(boolean isPubliclyBreedable) {
         this.publiclyBreedable = isPubliclyBreedable;
+        this.needsUpdate = true;
     }
 
     public void breed(MonsterplantPet pet) {
+        // Validate both plants can breed
+        if (!this.breedable() || !pet.breedable()) {
+            return;
+        }
+        
         if (this.canBreed && pet.canBreed) {
             this.canBreed = false;
             this.publiclyBreedable = false;
+            this.needsUpdate = true;
 
             pet.setCanBreed(false);
             pet.setPubliclyBreedable(false);
+            // pet.needsUpdate is set by setCanBreed and setPubliclyBreedable
+            
+            // Persist changes to database
+            Emulator.getThreading().run(this);
+            Emulator.getThreading().run(pet);
+            
             this.room.sendComposer(new PetStatusUpdateComposer(pet).compose());
             this.room.sendComposer(new PetStatusUpdateComposer(this).compose());
 
@@ -387,6 +412,8 @@ public class MonsterplantPet extends Pet implements IPetLook {
             this.setDeathTimestamp(Emulator.getIntUnixTimestamp() + MonsterplantPet.timeToLive);
             this.addHappiness(10);
             this.addExperience(10);
+            // needsUpdate is set by setDeathTimestamp, persist to database
+            Emulator.getThreading().run(this);
             this.room.sendComposer(new PetStatusUpdateComposer(this).compose());
             this.room.sendComposer(new RoomPetRespectComposer(this, RoomPetRespectComposer.PET_TREATED).compose());
         }

Emulator/src/main/java/com/eu/habbo/habbohotel/pets/PetManager.java

@@ -122,15 +122,29 @@ public class PetManager {
     }
 
     public static int randomBody(int minimumRarity, boolean isRare) {
-        int randomRarity = isRare ? random(Math.max(minimumRarity - 1, 0), (MonsterplantPet.bodyRarity.size() - minimumRarity) + (minimumRarity - 1), 2.0) : random(Math.max(minimumRarity - 1, 0), MonsterplantPet.bodyRarity.size(), 2.0);
+        int maxIndex = MonsterplantPet.bodyRarity.size();
+        int randomIndex = isRare 
+            ? random(Math.max(minimumRarity - 1, 0), Math.min(maxIndex, (maxIndex - minimumRarity) + minimumRarity), 2.0) 
+            : random(Math.max(minimumRarity - 1, 0), maxIndex, 2.0);
+        
+        // Clamp to valid range to prevent ArrayIndexOutOfBoundsException
+        randomIndex = Math.max(0, Math.min(randomIndex, maxIndex - 1));
 
-        return MonsterplantPet.bodyRarity.get(MonsterplantPet.bodyRarity.keySet().toArray()[randomRarity]).getValue();
+        // Return the body type KEY (1-12), not the rarity value
+        return (Integer) MonsterplantPet.bodyRarity.keySet().toArray()[randomIndex];
     }
 
     public static int randomColor(int minimumRarity, boolean isRare) {
-        int randomRarity = isRare ? random(Math.max(minimumRarity - 1, 0), (MonsterplantPet.colorRarity.size() - minimumRarity) + (minimumRarity - 1), 2.0) : random(Math.max(minimumRarity - 1, 0), MonsterplantPet.colorRarity.size(), 2.0);
+        int maxIndex = MonsterplantPet.colorRarity.size();
+        int randomIndex = isRare 
+            ? random(Math.max(minimumRarity - 1, 0), Math.min(maxIndex, (maxIndex - minimumRarity) + minimumRarity), 2.0) 
+            : random(Math.max(minimumRarity - 1, 0), maxIndex, 2.0);
+        
+        // Clamp to valid range to prevent ArrayIndexOutOfBoundsException
+        randomIndex = Math.max(0, Math.min(randomIndex, maxIndex - 1));
 
-        return MonsterplantPet.colorRarity.get(MonsterplantPet.colorRarity.keySet().toArray()[randomRarity]).getValue();
+        // Return the color hue KEY (0-10), not the rarity value
+        return (Integer) MonsterplantPet.colorRarity.keySet().toArray()[randomIndex];
     }
 
     public static int random(int low, int high, double bias) {

Emulator/src/main/java/com/eu/habbo/messages/incoming/rooms/pets/BreedMonsterplantsEvent.java

@@ -2,24 +2,54 @@ package com.eu.habbo.messages.incoming.rooms.pets;
 
 import com.eu.habbo.habbohotel.pets.MonsterplantPet;
 import com.eu.habbo.habbohotel.pets.Pet;
+import com.eu.habbo.habbohotel.rooms.Room;
 import com.eu.habbo.messages.incoming.MessageHandler;
 
 public class BreedMonsterplantsEvent extends MessageHandler {
     @Override
     public void handle() throws Exception {
-        int unknownInt = this.packet.readInt(); //Something state. 2 = accept
+        int unknownInt = this.packet.readInt(); //Something state. 0 = initiate breeding
 
         if (unknownInt == 0) {
-            Pet petOne = this.client.getHabbo().getHabboInfo().getCurrentRoom().getPet(this.packet.readInt());
-            Pet petTwo = this.client.getHabbo().getHabboInfo().getCurrentRoom().getPet(this.packet.readInt());
+            Room room = this.client.getHabbo().getHabboInfo().getCurrentRoom();
+            if (room == null) return;
+
+            Pet petOne = room.getPet(this.packet.readInt());
+            Pet petTwo = room.getPet(this.packet.readInt());
 
             if (petOne == null || petTwo == null || petOne == petTwo) {
-                //TODO Add error
                 return;
             }
 
             if (petOne instanceof MonsterplantPet && petTwo instanceof MonsterplantPet) {
-                ((MonsterplantPet) petOne).breed((MonsterplantPet) petTwo);
+                MonsterplantPet plantOne = (MonsterplantPet) petOne;
+                MonsterplantPet plantTwo = (MonsterplantPet) petTwo;
+                
+                // Validate both plants are breedable (fully grown, can breed, not dead)
+                if (!plantOne.breedable() || !plantTwo.breedable()) {
+                    return;
+                }
+                
+                // Validate ownership - at least one plant must belong to the client
+                // and the other must be publicly breedable or owned by client
+                int clientId = this.client.getHabbo().getHabboInfo().getId();
+                boolean ownsOne = plantOne.getUserId() == clientId;
+                boolean ownsTwo = plantTwo.getUserId() == clientId;
+                
+                if (!ownsOne && !ownsTwo) {
+                    // Client doesn't own either plant
+                    return;
+                }
+                
+                // If client doesn't own one of them, that one must be publicly breedable
+                if (!ownsOne && !plantOne.isPubliclyBreedable()) {
+                    return;
+                }
+                if (!ownsTwo && !plantTwo.isPubliclyBreedable()) {
+                    return;
+                }
+                
+                plantOne.breed(plantTwo);
             }
         }
     }

Emulator/src/main/java/com/eu/habbo/messages/incoming/rooms/pets/CompostMonsterplantEvent.java

@@ -23,6 +23,8 @@ public class CompostMonsterplantEvent extends MessageHandler {
         int petId = this.packet.readInt();
 
         Room room = this.client.getHabbo().getHabboInfo().getCurrentRoom();
+        if (room == null) return;
+        
         Pet pet = room.getPet(petId);
 
         if (pet != null) {

Emulator/src/main/java/com/eu/habbo/messages/incoming/rooms/pets/PetUseItemEvent.java

@@ -89,12 +89,23 @@ public class PetUseItemEvent extends MessageHandler {
                 Emulator.getGameEnvironment().getItemManager().deleteItem(item);
             }
         } else if (pet instanceof MonsterplantPet) {
+            // Validate ownership - only owner can use items on their plant
+            if (pet.getUserId() != this.client.getHabbo().getHabboInfo().getId()) {
+                return;
+            }
+            
+            MonsterplantPet monsterplant = (MonsterplantPet) pet;
+            
             if (item.getBaseItem().getName().equalsIgnoreCase("mnstr_revival")) {
-                if (((MonsterplantPet) pet).isDead()) {
-                    ((MonsterplantPet) pet).setDeathTimestamp(Emulator.getIntUnixTimestamp() + MonsterplantPet.timeToLive);
+                if (monsterplant.isDead()) {
+                    // Use revive() method which properly resets hasDied flag and sets needsUpdate
+                    monsterplant.revive();
                     pet.getRoomUnit().clearStatus();
                     pet.getRoomUnit().setStatus(RoomUnitStatus.GESTURE, "rev");
-                    ((MonsterplantPet) pet).packetUpdate = true;
+                    monsterplant.packetUpdate = true;
+                    
+                    // Persist to database
+                    Emulator.getThreading().run(pet);
 
                     this.client.getHabbo().getHabboInfo().getCurrentRoom().removeHabboItem(item);
                     this.client.getHabbo().getHabboInfo().getCurrentRoom().sendComposer(new RemoveFloorItemComposer(item).compose());
@@ -106,12 +117,17 @@ public class PetUseItemEvent extends MessageHandler {
                     Emulator.getThreading().run(new QueryDeleteHabboItem(item.getId()));
                 }
             } else if (item.getBaseItem().getName().equalsIgnoreCase("mnstr_fert")) {
-                if (!((MonsterplantPet) pet).isFullyGrown()) {
+                if (!monsterplant.isFullyGrown()) {
                     pet.setCreated(pet.getCreated() - MonsterplantPet.growTime);
+                    pet.needsUpdate = true;
                     pet.getRoomUnit().clearStatus();
                     pet.cycle();
                     pet.getRoomUnit().setStatus(RoomUnitStatus.GESTURE, "spd");
-                    pet.getRoomUnit().setStatus(RoomUnitStatus.fromString("grw" + ((MonsterplantPet) pet).getGrowthStage()), "");
+                    pet.getRoomUnit().setStatus(RoomUnitStatus.fromString("grw" + monsterplant.getGrowthStage()), "");
+                    
+                    // Persist to database
+                    Emulator.getThreading().run(pet);
+                    
                     this.client.getHabbo().getHabboInfo().getCurrentRoom().removeHabboItem(item);
                     this.client.getHabbo().getHabboInfo().getCurrentRoom().sendComposer(new RemoveFloorItemComposer(item).compose());
                     this.client.getHabbo().getHabboInfo().getCurrentRoom().sendComposer(new RoomUserStatusComposer(pet.getRoomUnit()).compose());
@@ -122,17 +138,20 @@ public class PetUseItemEvent extends MessageHandler {
                     Emulator.getThreading().run(new QueryDeleteHabboItem(item.getId()));
                 }
             } else if (item.getBaseItem().getName().startsWith("mnstr_rebreed")) {
-                if (((MonsterplantPet) pet).isFullyGrown() && !((MonsterplantPet) pet).canBreed()) {
-                    if (
-                            (item.getBaseItem().getName().equalsIgnoreCase("mnstr_rebreed") && ((MonsterplantPet) pet).getRarity() <= 5) ||
-                                    (item.getBaseItem().getName().equalsIgnoreCase("mnstr_rebreed_2") && ((MonsterplantPet) pet).getRarity() >= 6 && ((MonsterplantPet) pet).getRarity() <= 8) ||
-                                    (item.getBaseItem().getName().equalsIgnoreCase("mnstr_rebreed_3") && ((MonsterplantPet) pet).getRarity() >= 9)
-                            )
+                if (monsterplant.isFullyGrown() && !monsterplant.canBreed() && !monsterplant.isDead()) {
+                    boolean validItem = 
+                            (item.getBaseItem().getName().equalsIgnoreCase("mnstr_rebreed") && monsterplant.getRarity() <= 5) ||
+                            (item.getBaseItem().getName().equalsIgnoreCase("mnstr_rebreed_2") && monsterplant.getRarity() >= 6 && monsterplant.getRarity() <= 8) ||
+                            (item.getBaseItem().getName().equalsIgnoreCase("mnstr_rebreed_3") && monsterplant.getRarity() >= 9);
 
-                    {
-                        ((MonsterplantPet) pet).setCanBreed(true);
+                    if (validItem) {
+                        // setCanBreed now automatically sets needsUpdate
+                        monsterplant.setCanBreed(true);
                         pet.getRoomUnit().clearStatus();
                         pet.getRoomUnit().setStatus(RoomUnitStatus.GESTURE, "reb");
+                        
+                        // Persist to database
+                        Emulator.getThreading().run(pet);
 
                         this.client.getHabbo().getHabboInfo().getCurrentRoom().removeHabboItem(item);
                         this.client.getHabbo().getHabboInfo().getCurrentRoom().sendComposer(new RemoveFloorItemComposer(item).compose());

Emulator/src/main/java/com/eu/habbo/messages/incoming/rooms/pets/ToggleMonsterplantBreedableEvent.java

@@ -1,20 +1,39 @@
 package com.eu.habbo.messages.incoming.rooms.pets;
 
+import com.eu.habbo.Emulator;
 import com.eu.habbo.habbohotel.pets.MonsterplantPet;
 import com.eu.habbo.habbohotel.pets.Pet;
+import com.eu.habbo.habbohotel.rooms.Room;
 import com.eu.habbo.messages.incoming.MessageHandler;
+import com.eu.habbo.messages.outgoing.rooms.pets.PetStatusUpdateComposer;
 
 public class ToggleMonsterplantBreedableEvent extends MessageHandler {
     @Override
     public void handle() throws Exception {
         int petId = this.packet.readInt();
 
-        Pet pet = this.client.getHabbo().getHabboInfo().getCurrentRoom().getPet(petId);
+        Room room = this.client.getHabbo().getHabboInfo().getCurrentRoom();
+        if (room == null) return;
+
+        Pet pet = room.getPet(petId);
 
         if (pet != null) {
             if (pet.getUserId() == this.client.getHabbo().getHabboInfo().getId()) {
                 if (pet instanceof MonsterplantPet) {
-                    ((MonsterplantPet) pet).setPubliclyBreedable(((MonsterplantPet) pet).isPubliclyBreedable());
+                    MonsterplantPet monsterplant = (MonsterplantPet) pet;
+                    
+                    // Only allow toggling if plant is breedable (fully grown, can breed, not dead)
+                    if (monsterplant.breedable()) {
+                        // Toggle the publicly breedable state (was previously setting to same value - bug fix)
+                        monsterplant.setPubliclyBreedable(!monsterplant.isPubliclyBreedable());
+                        
+                        // Mark for database update
+                        monsterplant.needsUpdate = true;
+                        Emulator.getThreading().run(monsterplant);
+                        
+                        // Send status update to room
+                        room.sendComposer(new PetStatusUpdateComposer(monsterplant).compose());
+                    }
                 }
             }
         }

Emulator/src/main/java/com/eu/habbo/threading/runnables/freeze/FreezeHandleSnowballExplosion.java

@@ -56,6 +56,9 @@ class FreezeHandleSnowballExplosion implements Runnable {
             for (RoomTile roomTile : tiles) {
                 THashSet<HabboItem> items = this.thrownData.room.getItemsAt(roomTile);
 
+                // Track if we already processed a block at this tile to prevent stacking exploit
+                boolean blockProcessedAtTile = false;
+
                 for (HabboItem freezeTile : items) {
                     if (freezeTile instanceof InteractionFreezeTile || freezeTile instanceof InteractionFreezeBlock) {
                         int distance = 0;
@@ -93,9 +96,12 @@ class FreezeHandleSnowballExplosion implements Runnable {
                                 }
                             }
                         } else if (freezeTile instanceof InteractionFreezeBlock) {
-                            if (freezeTile.getExtradata().equalsIgnoreCase("0")) {
+                            // Only process ONE block per tile to prevent stacking exploit
+                            // Stacking many blocks and exploding them causes massive lag
+                            if (!blockProcessedAtTile && freezeTile.getExtradata().equalsIgnoreCase("0")) {
                                 game.explodeBox((InteractionFreezeBlock) freezeTile, distance * 100);
                                 player.addScore(FreezeGame.DESTROY_BLOCK_POINTS);
+                                blockProcessedAtTile = true;
                             }
                         }
                     }