Cave Horror Project 1

Cave Horror Project 1

Forge 1.20.1 | All quests got a rework! | Best horror modpack with quests and story! PLAY NOW!

by JustErikSK
1.1M Downloads
0 Followers
forgeMC 1.20.1adventure

Screenshots

Apollyon
The Man From The Fog
Herobrine
Cave Dweller
Herobrine's Shrine
Spider Moth

About this Modpack

Welcome to Cave Horror Project 1 - 1.20.1 Edition!

If you need any help or have any suggestions for future updates, please join our Discord!

Step back into the darkness of Cave Horror Project, the ultimate horror survival modpack where every step into the shadows could be your last. Since version 2.0 and 3.0, the experience has been completely transformed with new quests, bosses, decorations, and terrifying encounters.

📖 Full Questline

  • Over 180 quests across multiple chapters, now with a proper progression path alongside some optional quests.

Quests

🪓 Horror-Themed Additions & Custom Mods

  • Creepy Decorations Mod – Add unsettling props like Haunted Pumpkins, Broken Dolls, and more to intensify the atmosphere.
  • Many horror mods such as The Anomaly, Cave Dweller or Doctor Who: Weeping Angels.
  • Enhanced Herobrine events with legacy structures.

Creepy Decorations

🎮 Immersive Experience & Menus

  • Completely redesigned main menus for singleplayer and multiplayer.
  • Added special resource packs (Enhanced Audio, Creepy Speaker, Cave Packer, and more) for deeper immersion.
  • Shader and lighting improvements for eerie, cinematic visuals.

Main menu

🗣 Multiplayer Horror Experience

  • Simple Voice Chat combined with Simple Void Radio Mod – craft walkie-talkies and communicate in-game even at a distance.
  • Multiplayer-friendly quest and event system.

Walkie-talkie

⚔ New Encounters & Boss Fights

  • Apollion and Red’s Anomaly spawn rates adjusted for balanced horror encounters.
  • Herobrine’s abilities improved, but villagers are now safe from possession.
  • Many difficult bosses from the ArPhEx Mod.

TORMENTOR

🔧 Quality of Life & Performance

  • Backpack crafting rebalanced (Backpacked and Sophisticated Backpacks mods).
  • Updated mods and Forge versions for stability.
  • Streamlined quest crafting recipes for horror-themed items.

New backpack crafting recipe

This is the Cave Horror Project, combining chilling atmosphere, deep story, and heart-pounding survival gameplay. Whether solo or with friends, the horrors that await will test your courage to the limit.

✨ Discover more of our projects on our website!

website image

Mod links for copyright reasons (with mod permissions):

Spoiler #

Born In Chaos mod: https://www.curseforge.com/minecraft/mc-mods/born-in-chaos

Deep Dark: Regrowth mod: https://www.curseforge.com/minecraft/mc-mods/deep-dark-regrowth

Apollyon mod: https://www.curseforge.com/minecraft/mc-mods/apollyon

Mod links for attribution requirements:

Spoiler #

Better Title Screen mod: https://www.curseforge.com/minecraft/mc-mods/better-title-screen

Camera Mod: https://www.curseforge.com/minecraft/mc-mods/camera-mod

GraveStone Mod: https://www.curseforge.com/minecraft/mc-mods/gravestone-mod

Simple Voice Chat mod: https://www.curseforge.com/minecraft/mc-mods/simple-voice-chat

THE UNDEAD REVAMPED mod: https://www.curseforge.com/minecraft/mc-mods/theundead

Fresh Animations resource pack: https://www.curseforge.com/minecraft/texture-packs/fresh-animations

Available Versions

Cave Horror Project 1 v3.4.1release
MC 1.20.1forge46.1K downloads
June 8, 2026
Cave Horror Project 1 v3.4release
MC 1.20.1forge47.0K downloads
May 30, 2026
Cave Horror Project 1 v3.3release
MC 1.20.1forge50.2K downloads
May 17, 2026
Cave Horror Project 1 v3.2.3arelease
MC 1.20.1forge131.0K downloads
April 18, 2026
Cave Horror Project 1 v3.2.3release
MC 1.20.1forge3.2K downloads
April 18, 2026

How to Set Up a Cave Horror Project 1 Server

1

Order Server

Choose at least 6 GB RAM (8 GB recommended for Cave Horror Project 1). Based on player count: per 5 players.

2

Install Modpack in Dashboard

Open the modpack browser in the dashboard, search for "Cave Horror Project 1" and click "Install". The forge loader and Minecraft 1.20.1 are configured automatically.

3

Start Server & Play

Start the server – all mods are loaded automatically. Share the server IP with friends and play together!

Frequently Asked Questions

Cave Horror Project 1 server crashes or won't start – what to do?

Most common causes: insufficient RAM or wrong forge loader. Check latest.log for "OutOfMemoryError" → increase RAM to at least 8 GB. For "Mixin" or "ClassNotFoundException" errors: modpack version and loader don't match. With Mado Hosting, loader and Minecraft version are auto-configured on modpack install – preventing most startup issues.

How much RAM does a Cave Horror Project 1 server really need?

Minimum 6 GB, recommended 8 GB for stable performance. per 5 players. Important: Minecraft modpacks need more RAM than vanilla – plan extra per additional player. With Mado Hosting, you can scale RAM up live at any time without data loss (from €12/month).

Can I add custom mods to Cave Horror Project 1 without conflicts?

Yes, but check compatibility: only use mods for the same loader (forge) and same Minecraft version (1.20.1). Common issues: ID conflicts with recipe mods and incompatible coremod versions. The Mado dashboard mod browser only shows compatible mods and warns about known conflicts.

Cave Horror Project 1 server lagging – performance tips

1) Increase RAM to 8 GB+. 2) Reduce server view-distance to 8 (server.properties). 3) Pre-generate chunks with the "Chunky" plugin. 4) Use /spark profiler to check which mods consume the most tick time. With Mado Hosting, all servers run on NVMe SSDs with dedicated CPU cores – eliminating hardware as a bottleneck.

Rent Cave Horror Project 1 Server

Start your own server with automatic modpack installation.

Recommended RAM:
8 GB(min. 6 GB)
From 12.00 / month
Create Server Now
1-Click Modpack Install
NVMe SSD Storage
DDoS Protection included
Automatic Backups

Details

License
LicenseRef-All-Rights-Reserved
Server-side
Required
Client-side
Required

Supported Versions

1.20.1

Start your Cave Horror Project 1 Server now

From €12.00/month with 8 GB RAM for the best performance.

Configure Server →