Generally, most weapons in games have only one function, or at most two, aimed at dealing damage to opponents depending on how they are used. However, there are a few weapons that are designed to be more special, possessing so many functions that you might not need to use any other weapon. Here are the top 10 weapons that help players sweep away all opponents.
Mega Man’s Mega Buster – Mega Man Series

Rock was originally created by Dr. Light to be a combat robot, but later he wanted to ensure that Rock could survive in any situation. That is precisely why the doctor developed the Variable Weapon System for Mega Man’s Mega Buster arm.

By copying data from defeated Master robots, the Mega Buster can transform into multiple forms and fire various types of projectiles. These projectiles require a relatively long cooldown time. Additionally, this weapon system will also serve as the basis for the transformation weapon system of Mega Man X in the game.
Pandora – Devil May Cry 4

After defeating Dagon and destroying the portal to hell in the Fortuna castle, Dante received a very unusual demonic arm. Although it appears as a small suitcase, Pandora in Devil May Cry 4 can transform into 666 different types of weapons, enhancing the combat abilities of someone who always follows a free fighting style like Dante. Some weapons that Pandora can transform into include spinning blades, Gatling guns, rocket launchers, and even artillery platforms…

However, ironically, the most powerful form of Pandora is its original form – the suitcase. You just need to open it, and it will unleash a powerful beam of light that completely obliterates any unfortunate enemies standing in front of Dante.
The Axiom Disruptor – Axiom Verge

When scientist Trace realizes he is trapped in a mysterious alien world, he seeks to acquire a strange biological weapon called the Axiom Disruptor. In the game, this weapon can fire lasers like a rifle and can be upgraded with more dangerous functionalities. For example, it can create energy saws or explosives.

However, the most “overpowered” ability of the Axiom Disruptor is the Address Disruptor move. It allows the character Trace to literally “manipulate” reality, such as transforming the space around creatures and terrain into bizarre shapes, which can be incredibly beneficial for Trace in combat.
God Arcs – God Eater Series

In the God Eater series, most of Earth is ruled by Aragami – gigantic monsters made from Oracle Cells. These monsters increasingly want to devour everything, ready to chew up anything that dares to approach them. To allow players to fight against these giant monsters, the Fenrir Organization created God Arcs.

Thus, the God Arc weapons are brought to life, and they “hunger” just like the Aragami, capable of growing a mouth to bite their opponents. When well-fed, the God Arc gains more power and can transform into various melee and ranged weapons. Even the bullets it fires can be refined to fly in different trajectories, with various effects.
Omni-Tool – Mass Effect Series

The Omni-Tool is a highly advanced and sophisticated technology frequently seen in the Mass Effect universe. It is a wrist-mounted device that can create various items. It has many functions, such as a flashlight, scanner, crafting machine, and if fine-tuned, it can even turn into a powerful weapon to assist players in close combat scenarios.

The basic weapon of the Omni-Tool is the Omni-Blade – a formidable melee weapon. Additionally, it can create shields, launch plasma projectiles, set electric traps, and even fire freezing beams at enemies.
According to GVN360