Audio Bundle by Sonniss
Each year Sonniss releases a free audio bundle perfect for any aspiring Game artist to use in their game level. Check out this years awesome set of audio clips! With 20+ GB of high quality sound effects. From City Scapes to adding machines and factory noises to alien creatures and urban sounds from India, this pack as something for any project! Check out the GDC Sonniss page for download links, or for a prieview check out the Tracklist in Google drive here.
To learn more about building small games, Check out Alan Thorn's series on Game Maker