Immortal Defense gets its first significant update, with plenty of changes made to the game since the release of version 1.0:

- new background images
- fifty new levels (at least eight of these included in the demo)
- Points updated, balanced and tweaked
- graphical changes and visibility improvements added
- visibility lines added to indicate the location of the mouse cursor on screen
- Ctrl, Shift and the space keys given hotkey functionalities
- minor bug fixes

The full list of changes can be found over at RPGC forums, and a demo is available from the same page as well. (screenshot from version 1.1 shown above)