Fly through space blasting aliens in this throwback to 80s shooters and earn real Bitcoin while doing it! This is an experiment in Bitcoin - giving free bitcoin away for simply playing our game. It's easy, for every enemy you kill you get several coins and for every 150 coins you collect you'll earn a bitcoin tip. You also get bitcoin just for opening the app each day and pressing "Play!". :)Download the app, input your bitcoin address and away you go! Our app utilizes Bitjoy, a new service that allows us to tip you during gameplay. What are you waiting for!? Download NOW FOR FREE![详情]