Rocket Propelled Grenade Launcher:
Launcher A Projectile Explosive That Explodes On Impact. Uses ?Rocket Propelled Grenade? For Ammo.

Flamethrower:
Shoots A Beam Of Fire That Ignites Everything It Touches. Uses ?Gas Tanks? As Ammo.
When The Durability Reaches 0, It Won’t Work Unless You Have A Gas Tank In Your Inventory, In Which Case It Will Be Used.

Railgun:
This Weapon Is A 1-Hit Kill On Most Mobs. To Fire, Hold Right Click (Like Eating A Steak). Uses Railgun Ammo.

Laser Gun:
Uses Energy Crystals And Has 3 Different Modes [Damage, Stun, Explosive]. Shift + Right Click To Change Modes.
The Durability Is The Energy Level. It Will Use Up An Energy Crystal When It Reaches 0 To Recharge.

Snow Cannon:
Shoots 16 Snowballs At A Time And Creates Snow Blocks Where They Land. Unlimited Fire In Creative Mode.

Ender Cannon:
Uses Energy Crystals. Creates And Fires Enderpearl Entities. It’s Also Oversized.
When The Durability Runs Out, It Can Be Restored By Having An Energy Crystal In Your Inventory.

Rifle:
A Long Ranged Gun, Uses Rifle Bullets For Ammo
Contest Entry By Red-CodeSLC-447

Pulse Rifle:
An Energy Weapon With 2 Modes [Single Shot, Automatic]
Uses Energy Crystals To Refill Energy
Contest Entry By omega5102

Pulse Rifle Mk II:
An Upgraded Version Of The Pulse Rifle With A Higher Rate Of Fire And 2 New Modes [Scatter, Focused Beam]
Contest Entry By Crafterkid123Gaming

Plasma Lance:
A Weapon That Uses A Single Energy Crystal To Activate. While Activated, User’s Speed And Jumps Are Much Faster.
Contest Entry By minecraftguy632

Poison-Edge Sword:
A Sword That Poisons Mobs And Players When Attacked. Same Strength As A Diamond Sword.
Energy Sword:
A Sword That Can Switch Modes [Damage, Fire, Super Knockback, Stun]. Shift + Right Click To Switch.
Rift Blade:
A Sword That Teleports You Like An Enderman. Hold Shift + Right Click For 4 Seconds To Teleport Randomly.
Throwable Sword:
Right Click To Throw. Can Be Picked Up After Hitting A Mob. A Bit Glitchy In Survival.

Invisibility Suit:
As Long As The Player Wears A Full Set, The Player Will Be Completely Invisible! Not Very Protective.

Land Mine:
Explodes If Anything Touches It [Mobs, Players, Drops, Etc,]