New additions for the demo version!

This is a small update for the demo, with some changes and new features.

New Features:
- A new adventure has been added. It includes 8 new enemies. Can you defeat them?

Changes:
- The sound effects for the heroes' powers have been changed.
- A new adventure selection screen has been added. The hero selection now appears alongside the adventure selection.

Improvements:
- All effects now work as they should.


If you like this game, please rate and leave your feedback in a comment. Enjoy!!!