Earth to Infinity

Alien fleets are closing in on Earth. Ring the planet with orbital defenses and hold the line. Start with a single orbital gun. Earn Credits from every ship you destroy, upgrade your weapons between waves or in the middle of battle, and unlock new defenses as you push the frontier. Every ten waves a flagship arrives, so plan your build before it does. - Sixteen orbital defenses, each with its own weapon: flak, missiles, lasers, drones, chain ion, railguns, mines, plasma, gravity wells, solar mirrors and more - A flagship boss every ten waves - Research that boosts the current run, plus permanent upgrades bought with Star Cores - Prestige whenever you like and come back stronger; your best wave is remembered - Sixteen managers to recruit, assign and merge - Daily quests, weekly goals, play streaks and a monthly pass with free rewards - Achievements that pay Command Tokens - Patrols earn…