Doomsday Ocean: My Battleship Can Be Upgraded Infinitely

Alien meteorites are coming, disasters occur frequently, the glaciers at the North and South Poles melt, and Aquamarine enters the ocean era. Alien species, mutated creatures, and surviving humans compete with each other for limited resources, land and islands. Chu Tianyu traveled through time and obtained a biological brain system. He started with a cruiser and could upgrade it infinitely. Therefore, Chu Tianyu piloted the strongest battleship, overcome all dissatisfactions, and challenged the infinite unknown... Power system: conventional power, nuclear fission power, nuclear fusion power... Weapon system: electromagnetic cannon, electromagnetic pulse cannon, einsteinium energy cannon... Auxiliary systems: UAVs, armed helicopters, anti-gravity piercing machines... Barracks system: mining robots, combat robots, giant mechas... Radar system:... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.