Rules For Google Indie Games Festival

Rules:

Make sure you meet all the eligibility criteria listed below.

You need to be based in one of the eligible countries: Austria, Belgium, Belarus, Czech Republic, Denmark, Finland, France, Germany, Israel, Italy, Netherlands, Norway, Poland, Romania, Russia, Slovakia, Spain, Sweden, Ukraine, and the United Kingdom (including Northern Ireland).

You need to have 30 or fewer full-time employees.

You need to have publicly published a game on Google Play after 1 January 2018.

If your game is not released yet, it needs to be available at least in open beta by 6 May 2019.

You need to be at least 18 years old at the moment of entering the competition. 

And other requirements in the legal terms and conditions.