diff --git a/export_presets.cfg b/export_presets.cfg
index 224db8c..26f9d9f 100644
--- a/export_presets.cfg
+++ b/export_presets.cfg
@@ -8,7 +8,7 @@ custom_features=""
 export_filter="all_resources"
 include_filter=""
 exclude_filter=""
-export_path="../../Documents/Owad/Owniverse.I/Builds/owniverse.0.6.123-129.exe"
+export_path="../../Documents/Owad/Owniverse.I/Builds/owniverse.0.6.13-129.exe"
 patches=PackedStringArray()
 patch_delta_encoding=false
 patch_delta_compression_level_zstd=19
diff --git a/world/owniverse.gd b/world/owniverse.gd
index 9363bbf..cabb597 100644
--- a/world/owniverse.gd
+++ b/world/owniverse.gd
@@ -3,21 +3,23 @@ class_name Owniverse
 
 signal unlock_item(item_id: String)
 
-var g_datetime: float = 0
-var g_speed: int = 1
-var g_speed_in_years = 1
+var current_year: float = 0
+var current_speed: int = 1
+var current_speed_in_years:int = 1
 
 var entities: Dictionary[String, OwniverseEntity] = {}
 
 var items_to_update: Dictionary[String, float] = {}
 
-var cumulative_amount: Dictionary[String, float] = {}
-var current_amount: Dictionary[String, float] = {}
-
 var auto_production: Array = []
 var locked_entities: Array = []
 
-var some_flag := true
+var cumulative_amount: Dictionary[String, float] = {}
+var current_amount: Dictionary[String, float] = {}
+
+var batch_count: int = 40
+var entity_batches = {}
+
 
 
 func cycle(year_delta: float) -> void:
@@ -28,7 +30,7 @@ func cycle(year_delta: float) -> void:
     _check_locked_items()
 
 
-#region object evolution
+#region auto production and evolution
 
 func _auto_production(year_delta: float) -> void:
     var cycle_production = {"S": 0.0, "H": 0.0}
@@ -49,7 +51,6 @@ func _entity_evolution(year_delta: float) -> void:
 
 #region Production
 
-
 func produce(item_id: String, amount: float) -> void:
     var entity: OwniverseEntity = entities[item_id]
     
@@ -116,18 +117,20 @@ func _check_locked_items() -> void:
     
 #endregion
 
+#region Time
 
 func add_time_delta(delta) -> float:
-    var year_delta: float = delta * g_speed_in_years
-    g_datetime += year_delta
-    return g_datetime
+    var year_delta: float = delta * current_speed_in_years
+    current_year += year_delta
+    return current_year
 
 
 func change_speed(delta: int) -> int:
-    g_speed = clamp(g_speed + delta, 1, Global.SPEED_LIMIT)
-    g_speed_in_years = pow(10, g_speed - 1)
-    return g_speed
+    current_speed = clamp(current_speed + delta, 1, Global.SPEED_LIMIT)
+    current_speed_in_years = pow(10, current_speed - 1)
+    return current_speed
 
+#endregion
 
 func init_enitities() -> void:
     for entity_id in Global.OwniverseEntities: