- Added the ability to reset the high score table. - Added support for multitasking on iPad.

- Added dark and tinted icon options.

- Fixed rare issue where hedgehogs could occasionally walk across holes without getting trapped.

- Added support for in-game cheats. Shake your device during play to bring up the menu. - Fixed issue that caused hedgehog animations to get stuck when climbing out of a hole.

- Added new artwork for climbing and descending ladders.

- Added four additional music tracks and graphics sets. - Added the ability to speed up the end-of-level bonus countdown by holding the up button. - Added the ability for the player to jump over hedgehogs. - Added the ability to pause the game using a hardware keyboard. - Fixed bug that made it impossible to climb ladders when playing with a hardware controller. - Hedgehogs that have been stunned are no longer fatal to the player. - Increased the hedgehog movement speed on higher levels. - Reduced the time bonus maximum values to more sensible levels. - Resolved issue preventing the status bar from being hidden correctly on certain devices.

- Added much-improved graphics to the game. - Added support for playing the game with a hardware keyboard. - Fixed issue where holes could not be dug underneath ladders. - Fixed issue where enemies on left hand side of screen could disappear abruptly. - Various changes to game mechanics and scoring.

- Improved the high score handling code.

- Performance improvements. - Virtual controller is now hidden during end-of-level and game-over sequences.