CosmoBurst.io: Space Survivor

One ship against the swarm. How long can you last? CosmoBurst.io is a space survival shooter where your weapons fire automatically and every upgrade shapes your run. Steer through enemy waves, collect XP and choose the modules that keep you alive. Survive ten minutes and take down the chapter boss. BUILD YOUR FIREPOWER Choose from three upgrade cards as you level up. Combine weapons and passive modules, then discover the combinations that unlock powerful weapon evolutions. EXPLORE FIVE HOSTILE CHAPTERS Fight through open space, alien spores, fleet wreckage, an enclosed dock and the volcanic hazards of Io. Each chapter brings a different battlefield and its own bosses. FIND YOUR FLAGSHIP Unlock five ships with different guns. Upgrade your fleet and find the ship that fits your play style. GROW STRONGER BETWEEN RUNS Spend cores on permanent technology upgrades. Improve your damage, hull, defenses, fire rate and pickup radius before your next attempt. CLIMB THE RANKINGS Compete in weekly chapter tournaments and chase your personal best. Claim daily bonuses and chapter rewards as you progress. Built for portrait play on iPhone and iPad. Optional rewarded ads let you claim extra bonuses. Pick your ship. Build your arsenal. Survive the burst.