Additions
- Added music
- Added sound effects
- Mute sounds effects & music individually
- Added backgrounds
- Added levelling system with unlock-able backgrounds
Changes
- Changed puzzle UI for 4x4, 6x6, and 9x9
- Menu buttons now have a style to them and effects
- Updated how to play page
- Updated resolution settings for 2560x1440, 1920x1080, and 1280x720
Fixes
- Puzzles now takes multiple solutions instead of just one
- User can no longer delete starting numbers