The Living Infinite is full of things that don't like you, so you don't like them either. To express this you have an array of weapons to your disposal:
Minigun[]
If you power your Weapon Console with one power node, you enable the minigun. It allows you to shoot an infinite amount of small bullets which do 1 point of damage, and can be replaced by improved, specialized turret modifiers.
Torpedo[]
The classic for heavy underwater-battle, torpedos deal 10 points of damage and also damage nearby enemies with a blast wave. However, this comes with a setback: Someone must load the torpedos manually (up to three at once) into the tubes and you only have so many of them... And you certainly want some left when you hit that Megalodon. The Torpedoes have a great variety of upgrades, which, unlike Turret modifiers, can stack, which allow for extremely powerful torpedoes once you get enough upgrades.
EMP[]
When your ship and your enemies are down to the last breath, you can send you power unit into overdrive by cranking its main lever up to the top! This blasts an electric shockwave through the waters around you. While this is extremely powerful and damages everything for heavy damage, it is not recommendend to use this often as your power unit takes several seconds to recover, in which none of your systems work. And you have to remember to turn the power on manually.