Shotgun C-01s

The Shotgun C-01s is a shotgun manufactured by Correction Nine that fires three projectiles. It is one of four shotguns, the others being the Shotgun CS-DAZ, Falkonian Shotgun and the Alien Shotgun, and one of two that can be bought and upgraded in the equipment shop by the Marine. It is the default shotgun. The C-01s has two models: a red model that is featured in the Campaign, and a blue model that is exclusive to custom maps.

The Shotgun C-01s has good stopping power; dealing more damage than most other kinetic guns per shot. It has the highest single projectile power of all shotguns. It features average penetration and can shoot through walls less than four blocks thick. The Shotgun C-01s has an intermediate damage and accuracy when compared to the other shotguns, though it is closer to the CS-DAZ in performance. Because each individual projectile has more power than those of the other shotguns, it is superior for headshots. Perhaps an underrated advantage of the C-01s is that it is a semi-automatic shotgun, as opposed to the pump action Shotgun CS-DAZ. This means that it has the advantage of reloading itself even when the player switches weapon slots. The C-01s is most effective at close range due to bullet spread that becomes wider than targets at longer ranges.

Plazma Burst: Forward to the Past
A weaker version of the Shotgun C-01s is used by Human Soldiers in Plazma Burst: Forward to the Past. It can be picked up and used in level 3 and all subsequent levels. In FTP, the shotgun's appearance changes as upgrades are applied. The gun gets thicker with more upgrades, possibly due to additional barrels being added. The fully upgraded version fires 3 projectiles and most closely resembles the gun in Plazma Burst 2.

Plazma Burst 2
The Shotgun C-01s is never used by enemies in the Plazma Burst 2 Campaign; it can only be used by the Marine and his allies. In the Plazma Burst 2 campaign, the Shotgun C-01s is one of the starting weapons, besides the Assault Rifle C-01r, and the Pistol C-01p. It can be brought in the Equipment Shop for 1500$ credits, and upgrade for $400 credits per level. The full upgrade price is $2700 credits, making it the most expensive shotgun.

Trivia

 * It is popular among Red vs Blue multiplayer maps due to its red & blue variants.
 * It has the highest projectile power of the 3 campaign shotguns.
 * It has the highest self-knockback of any shotgun when upgraded to level 3.
 * It's small and hand-held, fired like a pistol rather than from the shoulder. Ironically, it's accuracy is better than the longer, shoulder-fired CS-DAZ.
 * The "s" at the end of its name likely stands for "shotgun".