diff --git a/Plugin NPC/src/main/java/net/simon987/npcplugin/NpcPlugin.java b/Plugin NPC/src/main/java/net/simon987/npcplugin/NpcPlugin.java
index b2e3369..e555b55 100644
--- a/Plugin NPC/src/main/java/net/simon987/npcplugin/NpcPlugin.java	
+++ b/Plugin NPC/src/main/java/net/simon987/npcplugin/NpcPlugin.java	
@@ -34,6 +34,7 @@ public class NpcPlugin extends ServerPlugin {
         registry.registerGameObject(ElectricBox.class);
         registry.registerGameObject(Portal.class);
         registry.registerGameObject(VaultExitPortal.class);
+        registry.registerGameObject(RadioactiveObstacle.class);
 
         registry.registerHardware(RadioReceiverHardware.class);
 
diff --git a/Plugin NPC/src/main/java/net/simon987/npcplugin/RadioactiveObstacle.java b/Plugin NPC/src/main/java/net/simon987/npcplugin/RadioactiveObstacle.java
new file mode 100644
index 0000000..705bc9e
--- /dev/null
+++ b/Plugin NPC/src/main/java/net/simon987/npcplugin/RadioactiveObstacle.java	
@@ -0,0 +1,46 @@
+package net.simon987.npcplugin;
+
+import org.bson.Document;
+
+import net.simon987.server.game.objects.ControllableUnit;
+import net.simon987.server.game.objects.Enterable;
+import net.simon987.server.game.objects.GameObject;
+import net.simon987.server.game.objects.Radioactive;
+
+public class RadioactiveObstacle extends GameObject implements Radioactive, Enterable {
+
+	private int corruptionBlockSize;
+
+	public RadioactiveObstacle(int corruptionBlockSize) {
+		this.corruptionBlockSize = corruptionBlockSize;
+	}
+
+	@Override
+	public char getMapInfo() {
+		// TODO I don't know how this should be done.
+		return 0;
+	}
+
+	@Override
+	public boolean enter(GameObject object) {
+		if (object instanceof ControllableUnit)
+			((ControllableUnit) object).getCpu().getMemory().corrupt(corruptionBlockSize);
+		return false;
+	}
+
+	public Document mongoSerialize() {
+		Document dbObject = super.mongoSerialise();
+
+		dbObject.put("corruptionBlockSize", corruptionBlockSize);
+
+		return dbObject;
+	}
+
+	public void setBlockSize(int corruptionBlockSize) {
+		this.corruptionBlockSize = corruptionBlockSize;
+	}
+
+	public int getBlockSize() {
+		return corruptionBlockSize;
+	}
+}