Project Spark Beta Begins on Windows 8.1

Welcome to Project Spark, an open-world digital canvas that enables anyone to build, play, and share whatever they can imagine
Developed by Team Dakota, Project Spark is an open-world digital canvas that enables anyone to build, play and share whatever they can imagine and create in the game. You can share all of your creations with the community and you can play what the community makes. The beta version is available now exclusively on Windows 8.1 and will become available on Xbox One in early 2014.