Enemy spaceships attack space platforms. Build more turrets and produce swarms of your own ships for epic space battles.
Mods introducing new content into the game.
New ways to deal with enemies, be it attack or defense.
Changes to enemies or entirely new enemies to deal with.
It seems like the ship enemies don't have any sort of collision with projectiles, which makes them invulnerable to gun turrets when using Distant Misfires, and any other modded turret that uses a projectile (like Cannon Turret).
Known. Only simple bullets, rockets and lasers work for now. Explosion splash damage is missing as well.