diff --git a/export_presets.cfg b/export_presets.cfg
index 26f9d9f..e984095 100644
--- a/export_presets.cfg
+++ b/export_presets.cfg
@@ -1,8 +1,12 @@
+[runnable_presets]
+
+"Windows Desktop"="Windows Desktop"
+Android="Android"
+
 [preset.0]
 
 name="Windows Desktop"
 platform="Windows Desktop"
-runnable=true
 dedicated_server=false
 custom_features=""
 export_filter="all_resources"
@@ -74,7 +78,6 @@ Remove-Item -Recurse -Force '{temp_dir}'"
 
 name="Android"
 platform="Android"
-runnable=true
 dedicated_server=false
 custom_features=""
 export_filter="all_resources"
@@ -98,7 +101,7 @@ script_export_mode=2
 
 custom_template/debug=""
 custom_template/release=""
-gradle_build/use_gradle_build=true
+gradle_build/use_gradle_build=false
 gradle_build/gradle_build_directory=""
 gradle_build/android_source_template=""
 gradle_build/compress_native_libraries=true
@@ -136,11 +139,12 @@ screen/support_normal=true
 screen/support_large=true
 screen/support_xlarge=true
 screen/background_color=Color(0, 0, 0, 1)
+splash_screen/disable_godot_boot_splash=false
+splash_screen/icon=""
+splash_screen/branding_image=""
+splash_screen/background_color=Color(0, 0, 0, 1)
 user_data_backup/allow=false
 command_line/extra_args=""
-apk_expansion/enable=false
-apk_expansion/SALT=""
-apk_expansion/public_key=""
 permissions/custom_permissions=PackedStringArray()
 permissions/access_checkin_properties=false
 permissions/access_coarse_location=false
@@ -295,3 +299,6 @@ permissions/write_sms=false
 permissions/write_social_stream=false
 permissions/write_sync_settings=false
 permissions/write_user_dictionary=false
+apk_expansion/enable=false
+apk_expansion/SALT=""
+apk_expansion/public_key=""
diff --git a/world/owniverse/owniverse_evolution.gd b/world/owniverse/owniverse_evolution.gd
index e062472..8fe6d37 100644
--- a/world/owniverse/owniverse_evolution.gd
+++ b/world/owniverse/owniverse_evolution.gd
@@ -7,6 +7,8 @@ const FLOAT_THRESHOLD: float = 1.0E14
 var state: Dictionary = {
     'year': 0.0,
     'energy': 1E14,
+    'batches': {},
+    
 }
 
 var entities: Dictionary[String, OwniverseEntity] = {}