Project Spark has finally received an official release date of October 7th, while in the midst of its open beta on Xbox One. There have been over one million creators during the beta so far and all of their work will still playable upon the official release of the game, however; for those that don’t want to wait should get into the open beta.
In addition to a release date, it was also revealed that there will be a physical copy of the game shipping for $39.99 with a ton of extra content including sounds, effects, animations, props, advanced creator features, offline content, and experience boosts. The base game will still be available for free to download upon release and all content included in the physical copy will also be available to purchase digitally.
Source: Major Nelson