Clear Skies

The lowermost parts of the world's air is very polluted, and only high up the air is clean.. You have found a beautiful bird which suffers from the pollution and cannot fly out.. It is your task to clean the air so the bird can fly high and breathe the fresh air.

Credits

All audio clips are retrieved from freesound.org:

• The button click is produced by Hannes Wannerberger.
• The the machine-cleaning-the-air sound is produced by the user gelo_papas
• The background sounds are produced by the user Mattix.
• The piano melody is produced by the user luhenriking.