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Mindustry - Create elaborate supply chains of conveyor belts to feed ammo into your turrets, produce materials to use for building, and defend your structures from waves of enemies. Currently has 12 built-in maps and a map editor for creating your own. Supports multiplayer over LAN and WAN, and cross-platform play with PC and Web versions.
the pictures are old
actually if u download this version of the game u will find soo many new things. in this version u have a character and u can create your army of ships or tanks and u can modify your self into a better ship/tank.