Planet Echo has always been a peaceful place despite being on the frontier of human habitation across the universe. Today, a message was sent across all channels that an alien overlord and his armada are closing in on the planet. Board the Galactic Defender spaceship and turn back the invaders. Travel through the Ring Nebula and dodge the Stroid Field as you unlock four unique Slot machines to take on the alien horde. Drop in your credits, select your pay lines to spin the reels. Complete challenging quests on each machine to gain levels that increase payouts. Play unique mini-games, earn up to 100 achievements, and keep track of all your statistics. It's time to change the fate of your planet.