added the game

Scripts/Classes/Entities/Items/YoshiEgg.gd

@@ -0,0 +1,30 @@
+extends CharacterBody2D
+
+var gave_points := false
+
+func _ready() -> void:
+	AudioManager.play_sfx("item_appear", global_position)
+	velocity.y = -150
+	$Egg.play(["Green", "Yellow", "Red", "Blue"][Global.level_num - 1])
+	$Yoshi.play(["Green", "Yellow", "Red", "Blue"][Global.level_num - 1])
+	await get_tree().create_timer(1.5, false).timeout
+	ChallengeModeHandler.set_value(ChallengeModeHandler.CoinValues.YOSHI_EGG, true)
+
+func _physics_process(delta: float) -> void:
+	velocity.y += (Global.entity_gravity / delta) * delta
+	velocity.y = clamp(velocity.y, -INF, Global.entity_max_fall_speed)
+	move_and_slide()
+
+func show_smoke() -> void:
+	gave_points = true
+	var smoke = preload("res://Scenes/Prefabs/Particles/SmokeParticle.tscn").instantiate()
+	smoke.scale = Vector2(2, 2)
+	smoke.global_position =global_position
+	add_sibling(smoke)
+	$ScoreNoteSpawner.spawn_note(5000)
+	queue_free()
+
+func _exit_tree() -> void:
+	if gave_points == false:
+		ChallengeModeHandler.set_value(ChallengeModeHandler.CoinValues.YOSHI_EGG, true)
+		Global.score += 5000