Tetrisweeper v1.3

Changelog v1.3:

Features:

• Introducing a new high-level move: completing a Tetrisweep! Inspired by the challenge that Random595 set for himself in his Tetrisweeper Livestream, in order to earn a Tetrisweep you need to fill a 4-row tetris and clear the the minesweeper rows it created before the next tetromino locks into place. Fittingly enough, completing a Tetrisweep will earn you 595 points! :D
• Adds a Score Multiplier as a reward for completing challenges and quick play! The multiplier is added together if you recieve it from multiple sources, and everything shares a single duration which is reset with each new action. If you never let the timer drop to zero, you could keep stacking it forever!
  • Clearing multiple rows in rapid succession increases the Score Multiplier by 1 for each row cleared; 2-second duration.
  • Completing a Tetrisweep will give you a x4 Score Multiplier for 30 seconds! If you cleared the rows quick enough, the multiplier will instead be x8! 
  • Using 5 Hard Drops in a row will now activate the score multiplier, with each additional drop increasing the multiplier by 0.25! Combine this with a Tetrisweep's 30-second multiplier, and you can rack up some serious points!
• GUI tweaks and changes.

Bug Fixes:

• Fixed a bug causing the tetromino rotation to get out of alignment when a line was cleared while a tetromino is falling. Big thanks to Icely Puzzles for helping me find that one!
• Fixed a bug causing game objects to not be destroyed after they were no longer relevant. This should help with performance on longer
• Adjusted the volume and softened some of the louder sound effects.