Hello
I am selling some open source games with low price
you can put ads/IAP and publish to stores ,, etc
you can use it to make money with your own method
I have too many open source games if anyone interested
2 examples
https://www.assetstore.unity3d.com/en/#!/content/20963
it cost .09
BTCI'll sell it with .01
BTC only
https://www.assetstore.unity3d.com/en/#!/content/39421
it cost .45
BTCI'll sell it with .1
BTC only
it's legal also to buy and sell it and earn commission
there's another games to sell - if you are interested PM me