TO SQUASH: Added spark effect to game over screen.

Assets/Scripts/GameOver/Smoke.cs

@@ -0,0 +1,46 @@
+using UnityEngine;
+
+public class Smoke : MonoBehaviour
+{
+    public float smokeDuration = 1.5f; // Duration in seconds for the smoke effect
+
+    public float sparkTimer = 0.1f; // Timer for spark effect
+
+    public GameObject sparkEffectPrefab; // Prefab for the spark effect
+
+    private float smokeTimer = 0.0f;
+
+    private float sparkEffectTimer = 0.0f;
+
+    // Start is called once before the first execution of Update after the MonoBehaviour is created
+    void Start()
+    {
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        smokeTimer += Time.deltaTime;
+
+        if (smokeTimer >= smokeDuration)
+        {
+            Destroy(gameObject);
+        } 
+        else
+        {
+            sparkEffectTimer += Time.deltaTime;
+
+            if (sparkEffectTimer >= sparkTimer)
+            {
+                sparkEffectTimer = 0.0f;
+                Vector2 randomOffset = Random.insideUnitCircle * 0.1f;
+
+                Instantiate(
+                    sparkEffectPrefab, 
+                    transform.position + new Vector3(randomOffset.x, randomOffset.y, 0),
+                    Quaternion.identity
+                );
+            }
+        }
+    }
+}

Assets/Scripts/GameOver/Smoke.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 7af5b2b00cae60da5867ed21470d4d7f