The #GameAudioGDC Bundle by Sonniss

Sonniss, a project that helps facilitate the sale of high-quality independent sound effect libraries for use within commercial and non-commercial productions, has decided to celebrate this year’s GDC with another free game audio bundle. 

Get the bundle 

They are giving away 20GB+ of high-quality sound effects from their vendors. You can use them personally or commercially without attribution.

There is also a chance you can get two more packs from previous years. Check out the conditions here.