Updated for Mac OS 10.8 Mountain Lion

- Christmas theme
- Seasonal snow effect

Fixed the issue where the rating request dialog would continue to pop up even after you selected 'No, Thanks'.

We're really sorry about the bug, but thanks for all the great reviews!

Added sound effects and music by Steven Barnegren. You can disable these in the Settings if you prefer.

- Beautiful new menu screen graphics
- Full-screen mode for less distracting play
- Alternative, high-contrast colour scheme suitable for colourblind users
- You can now adjust settings such as pause button placement
- More keyboard support for in-game menus

Fixed bug that prevented players from progressing past level one.