Fixes Unity security issue

General performance and reliability improvements.

Fix for game soft locking with balls stuck in the upper right of the screen.
Attempted fix for rare cases where blocks would not fall despite not being supported from below.
Plus, general performance and reliability improvements.

This update includes minor improvements.

This update includes minor improvements.

Adds options to disable sound effects and to reduce flashing.
Improved save file protection to avoid corrupted saves.

Fixes an issue where balls could get stuck on core forever.
Removes Cloud Saves due to reliability issues.