2048

v1.0   2019-12-17
-original version

v1.1   2020-01-22
-fixed bug where high "High Tile" and "High Score" did not update

v1.2   2020-10-11
-reduced chance of generating a 4 when generating random tile from 20% to 10%

v1.3   2022-01-21
-fixed bug where high "High Tile" and "High Score" did not update sometimes