Left click with a firearm to shoot.
Right click with a firearm to aim.
Press T to reload a firearm (if you have ammo).
Press E to pick up items from the ground, including other firearms.
Aiming increases accuracy of the firearm along with crouching.
Congratulations! You can now handle a firearm.

There are [x] firearms available to you, in Sword with Sauce, all for different purposes and usages. Here, are the weapons and what they do.
https://steamuserimages-a.akamaihd.net/ugc/7416500496124354/EBED3BC72D2270234DA0EBEE3AE9DCEB7BDEC2C8/?imw=256&&ima=fit&impolicy=Letterbox&imcolor=%23000000&letterbox=false
(Behold! The power of a gun!)

The Rifle - Moderate accuracy with a 30 round magazine. Fully automatic with iron sights. Useful all-
around at medium-long range. Uses rifle bullets.

The Sub-machine gun - Moderate accuracy with a 40 round magazine. Fully automatic with iron-sights. Useful at short-medium range. Uses rifle bullets(?!)

The Shotgun - Wide spread with a 6 round tube. Pump-action with no sights. Clears hostiles at close-range with ease. Uses shotgun shells.

The Mini Cannon - Super-wide spread with 2 rounds. Semi automatic with no sights. Propels user backwards on shot and can be used to recoil jump. Uses shotgun shells.

The Sniper - Wide spread unless aiming, in which it becomes pinpoint, with a 6 round magazine. Bolt action with telescopic sight.* One-shot kill from the torso up. Uses sniper bullets.

The Winchester - High accuracy with 14 round capacity. Lever action with iron sights. Far quieter in comparison to other firearms. Uses high velocity bullets.

The Silenced Pistol - Very High accuracy with 6 round magazine. Semi automatic with iron sights and integrated silencer. Uses pistol bullets.

*You can zoom in further when aiming!

Some extra weapons that don't shoot bullets but are still in-game.

The Sword - Long steel blade for stabbing and cutting. Can be thrown with R. Holding right click blocks attacks.

The Bow - Long stick that fire pointy sticks. Makes almost no noise, uses arrows.

The Katar - Two small pointy blades for poking that boost you forward.

The Shield - Giant plate for smacking. Can be thrown with R. Holding right click blocks attacks.

todo:
Rifle Mercenary
General all-arounder. Drone to spot enemies, grenades for clusters, and shurikens as a backup. The empty spaces can be used with whatever you want.
https://steamuserimages-a.akamaihd.net/ugc/7416500496996439/B7B6F6DA0CD194BF5CF7E4602B97B10B254B8C19/?imw=256&&ima=fit&impolicy=Letterbox&imcolor=%23000000&letterbox=false
Shotgun Mercenary
Close-ranged fighter. Drone to spot enemies, freezer and sticky lightning so you don't blow yourself up, and shurikens as a backup. The empty spaces can be used with whatever you want.
https://steamuserimages-a.akamaihd.net/ugc/7416500496996186/4F0473A876A4AAF512F16BE18AFCFB0FFF68761D/?imw=256&&ima=fit&impolicy=Letterbox&imcolor=%23000000&letterbox=false
Sniper Mercenary
Long-ranged marksman. Drone to spot enemies, optionally, a suppressor can be used, but I prefer to go with the silenced pistol instead. The empty spaces can be used with whatever you want.
https://steamuserimages-a.akamaihd.net/ugc/7416500497003280/98BA981FA85176E9791D0ABA2E3365DCF7B9F73F/?imw=256&&ima=fit&impolicy=Letterbox&imcolor=%23000000&letterbox=false

todo

Winchester Mercenary, constant movement and marksman shooting

Submachine-gun Mercenary, flood of bullets and gas grenade

Minicannon Mercenary - Focused on fast movement and grenades.
https://steamuserimages-a.akamaihd.net/ugc/7416500503107089/A455C2A8DFF624AB55C7E4317902817A20D84B45/?imw=256&&ima=fit&impolicy=Letterbox&imcolor=%23000000&letterbox=false

BOOM!!!
grenades and chemical warfare

stab and bow
sword
bow
shield