Source-checkedGameplay & overhauls

OpNightmare

by VGSF · for Insurgency: Sandstorm

New weapons, upgrades, AI squad, AI loadout & skill, classes rework, armour,...

8.4KDownloads
13 mo agoLast updated
mod.ioSource

About OpNightmare

From mod.io

New weapons, upgrades, AI squad, AI loadout & skill, classes rework, armour,...

⭐IVN
❓What is this mod about?
- New AI Squad with better loadout (weapons, utilities, armor), integrated improved combat skills, and distinctive appearances... (you will realize that bot is a commando just by looking at his clothes)
- A fresh rework of the class system, but still keep the vanilla vibe by not changing the core too much, instead adding new flavour into the current class layout.
- Other new stuff: Weapons & ultilities, personal trainings, Anti-gas NVG, exploding mag,...

or attaching some random foliage on your weapons...

Side Note: Any patches without a version/note are testing patches.

ToC

  • Mutator
  • Feature
    • CLASS REWORK
    • AI SQUAD, SKILL & LOADOUT IMPROVEMENT
    • ARMOR REWORK
    • OTHER (NEW WEAPONS, ITEMS,...)

Mutator:

  • VGKZ_Main - Walk slower, sprint faster. Jump-shooting is possible but not particularly accurate.

  • VGKZ_Fast - Original, x1.0 movement speed. Jump-shooting is possible but not particularly accurate.

  • VGKZ_MainB - Similar to VGKZ_Main, but without skill improvement for bots (Exception: Elite bots) and no faction weapon restriction. Doesn't support Firefight squad.
  • <del>VGKZ_Blitz</del> - Removed


Feature:

  • CLASSES REWORK (Main/Fast/MainB) &amp; RELATED NEW ASSETS

<table class="table-auto"> <tbody> <tr> <td>

</td> <td>

Captain

Can call in fire support while being close to the team's Adjutant, or self-equip Radio Asset Carrier &amp; Compact HQ Radio to operate solo, but quite costly supply-wise.

</td> </tr> <tr> <td>

</td> <td>

Adjutant

Supporter who wields rifles or machine guns and have access to free grenades, can also bring along a radio - allowing the team Captain to call in fire support when in close proximity.

</td> </tr> <tr> <td>

</td> <td>

Commando

Use exotic weapons + standalone grenade launchers, have access to SpecOps Carrier whose effect includes equipping a 2nd primary weapon. Can use Elite Commando training.

</td> </tr> <tr> <td>

</td> <td>

Marksman

Good-ol Marksman.

</td> </tr> <tr> <td>

</td> <td>

Tanker - HP: 250 | No dmg mult on being headshot

A heavily armoured, sluggish unit supposed to withstand enemy firepower as the squad's vanguard. Use machine guns and shotguns as its primary weapon.

</td> </tr> <tr> <td>

</td> <td>

Destroyer

Have access to Explosive Specialist Carrier (+4 explosive slots) &amp; Launcher Specialist Carrier. (+3 launching projectiles). Can use grenade launchers, rocket launchers &amp; HyperE rockets.

</td> </tr> <tr> <td>

</td> <td>

Breacher

Have access to Explosive Specialist Carrier (+4 explosive slots). Can use standalone grenade launchers and improved flash grenades. Move moderately faster than other classes.

</td> </tr> <tr> <td>

</td> <td>

Fighter

Core member of the team.

</td> </tr> </tbody> </table>

 

  • AI SQUAD, SKILL &amp; LOADOUT IMPROVEMENT

Integrated skill improvement means the AI will excel more at combat and can also engage at a longer range. However, their skill shouldn't be too outrageously powerful, for example, smokes now can effectively prevent them from seeing you easily.

Special BOT classes can even perform better than other, more common BOT classes. AI Classes that have better, dedicated combat skills (even in MainB mutator): Commando; Commando ERU; Commando Sniper.

The AI squad is also now very well-equipped with well-tuned weapons and assets. Different classes have distinct appearances and weaponry that we can recognize easily.

During counter-attacks, there is a 40% chance of triggering Elite Counter, with Commando ERU as the core unit. They respawn a bit slower than usual.

Suicide Bombers can only appear in Normal Insurgents Counter Attacks.

<table class="table-auto"> <tbody> <tr> <td style="text-align:center;">Class Name</td> <td style="text-align:center;">Appear in Elite Counter?</td> <td style="text-align:center;">Insurgents Main Weapon
</td>

Read the full description on mod.io →

Highlights

From source data

Footprint

Rated a light load on a server.

Last update

Its author last shipped an update 13 mo ago.

OpNightmare on Nxeon

From our catalogue
One-click install
Not available. One-click install isn't available for this game's mods yet. Download it and upload it to your server in Files.
Server load
light
Smallest plan we suggest
Insurgency: Sandstorm — 3 GB (3 GB RAM). This follows our own load rating above, not a benchmark.
Latest build
1.9.0, released 2025-10-22

Run OpNightmare on a Insurgency: Sandstorm server

Deploy a server above, then upload the file in Files.

What kind of mod it is

From the catalog
Listed on mod.io as “Total Conversion”

Gameplay & overhauls

New mechanics, content and overhauls that change how the game plays.

Compatibility

Game
Insurgency: Sandstorm

Verified at the source

  • ✓mod.ioOfficial listing, checked 2026-11-04Open ↗
  • ✓AuthorVGSF, as published on mod.io
  • ✓LicenseNot published by the sourceFree

OpNightmare, answered

Generated from the mod’s own source data.

Is it free?

Yes. OpNightmare is free to download from mod.io.

How do I add it to my Nxeon server?

One-click install isn't available for this game's mods yet. Download OpNightmare from mod.io and upload it to your Nxeon Insurgency: Sandstorm server in Files.

NxLabs

Run OpNightmare on a Insurgency: Sandstorm server.

Deploy in about a minute from $7.99 a month, then upload OpNightmare in Files.