Eclipse Protocol - IGS

> Hardcore post-apocalyptic survival.
> Immersion. Realism. Atmosphere. Psychological horror.

Eclipse Protocol – IGS is a hardcore post-apocalyptic survival modpack developed by Immortal Game Studios.

The modpack is set in a world that collapsed after an unexplained celestial event known as The Eclipse. Cities were abandoned, military operations failed, communication networks went silent, and the remaining survivors became increasingly hostile and desperate.

You are not the hero.

You are another survivor trying to stay alive.

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Survival After the Eclipse

Eclipse Protocol is built around difficult and methodical survival.

Resources are limited, valuable equipment is difficult to obtain, and exploration is necessary for progression. Players search abandoned structures, ruined settlements, military locations, bunkers, industrial areas, and hidden facilities for supplies, weapons, medical equipment, and information.

Equipment improves survival chances, but it does not remove the danger.

Players must manage ammunition, medical supplies, batteries, transportation, food, equipment, and the risks connected to every expedition.

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Daytime Is Not Safety

Daylight does not make the world safe.

Armed looters, rogue militants, hostile survivors, and organized groups move through the ruins in search of supplies, territory, weapons, and vulnerable targets.

Gunshots in the distance are warnings.

Every encounter requires a decision: investigate, prepare for combat, avoid the area, or retreat.

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Night Changes Everything

Nights are extremely dark.

Players depend on flashlights, batteries, fires, lamps, vehicle lights, and other working light sources. Limited visibility changes exploration, navigation, combat, and resource management.

Running out of power far away from shelter can turn a normal expedition into a serious survival situation.

Nobody fully understands what the Eclipse created.

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Core Features

• Hardcore post-apocalyptic survival gameplay
• Realistic firearms with magazines, recoil, sway, ballistics, and tactical reload behavior
• Military vehicles and vehicle-based combat
• Scarce loot and difficult progression
• Medical equipment and survival tools
• Large-scale terrain and biome overhauls
• Abandoned cities, settlements, bunkers, checkpoints, ruins, and hidden locations
• Atmospheric sound systems with echoes, sound physics, horror ambience, and environmental audio
• Extremely dark nights and limited visibility
• Fog, cinematic lighting, and shader-based environmental effects
• Hostile survivors, military remnants, custom enemies, and unknown threats
• Quest-based progression and exploration objectives
• Mysterious technology and Wonder Weapons
• Singleplayer and multiplayer survival

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Official Eclipse Protocol Projects

Eclipse Protocol connects several official Immortal Game Studios projects:

• Project Dawn - IGS : custom survival items, materials, medical equipment, crafting components, and progression content
• Beyond Containment - IGS : corrupted lifeforms, escaped experiments, anomalies, and Eclipse-born entities
• Directive Zero – IGS: hostile artificial intelligence, military robotics, and autonomous machines
• Blackout Armaments – IGS : tactical firearms for Timeless and Classics Zero
• Pardi's A.W.G. : structured apocalyptic world generation
• Obelisk Frontline Visuals : the official dark tactical interface resource pack
• Beyond Dusk - IGS : the official Eclipse Protocol shader

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Designed For

• Hardcore survival
• Realistic gunplay
• Tactical combat
• Atmospheric horror
• Difficult progression
• Dangerous exploration
• Immersive audio and visual design
• Large-scale world generation
• Singleplayer and multiplayer survival

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Development and Ownership

Eclipse Protocol – IGS is developed by Immortal Game Studios.

Project owners and lead contributors:

• Pardi114
• Nevickoll
• ChokedxD

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Official Links

Website

Current Projects

Discord

Patreon

Modrinth Projects

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License and Usage

Copyright © Immortal Game Studios and Eclipse Protocol – IGS

All Rights Reserved.

The project name, branding, logos, original assets, configurations, scripts, datapacks, shaders, resource modifications, custom content, worldbuilding, gameplay design, promotional material, screenshots, and associated media are protected under applicable copyright and intellectual property laws.

Without prior written permission from the project owners, you may not:

• Reupload or redistribute the project
• Publish modified versions on other platforms or launchers
• Repackage the project under another name
• Claim the project or its assets as your own work
• Extract and reuse protected assets, scripts, configurations, or designs
• Use Eclipse Protocol branding in unrelated projects
• Sell, sublicense, or commercially redistribute the project

You may:

• Use the project privately for personal gameplay
• Record videos or livestream gameplay with appropriate credit
• Create private compatibility patches or addons
• Request permission to publish public addons or compatibility projects

Permission requests and licensing inquiries require approval from the project owners.

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The old world is gone.

The sky is wrong.

And survival is all that remains.