Why ๐ Insanity Shader is a top-tier shader mod for Minecraft 1.21.1
A highly customizable horror styled Minecraft shaderpack based on BSL.
โ๏ธ Quick Resource Specs
| Mod Creator | ElocinDev |
| Latest Version | 1.21.1 |
| Supported Game Versions | 1.21.1, 1.21, 1.20.6, 1.20.5, 1.20.4 |
| File Size | 1013.06 KB |
| Last Updated | |
| Total Downloads | 31,904,191 downloads |

A stylized, horror themed Iris shaderpack with high customizability and performance.
Insanity is based from BSL Shaders by Capt Tatsu! With expanded customizability, new clouds, and a unique scary atmosphere



- ๐ง Horror styled gameplay. Great for horror modpacks!
- ๐ Highly customizable shader configuration. Expanded from BSL's limits.
- โ๏ธ Immersive weather. From foggy mornings to torrential rains.
- ๐ User-friendly menu. Including a quick options menu with easy to configure settings.
- ๐ป Runs on most modern PC's! Optimized even for modern low end GPUs.
- ๐ฆ Always bring some torches. Not only the night is dark, the Nether and End are even worse!
- ๐ Wide compatibility across versions. Supports all newer MC versions, even 1.19 using Iris!
- โ๏ธ Support for "realistic" texture packs*
* Please enable "Advanced Materials" on the Materials and Reflections settings
Can I share the shader with my friends/community/followers?
Yes, of course. Just don't distribute the files. If you want to share the shader, send the link to this curseforge page.
If you want to include the shaderpack inside a modpack, please contact me through curseforge first.
Since October 2023 you can now include shaderpacks in your modpacks thanks to CurseForge officially supporting shaders!
Can I make a video using this shader?
Feel free to make any video with the shader, crediting would be appreciated, but it's not necessary :)
If you plan on making a review, don't forget to share it in the comments of this page so we can see it!
How do I install the shader? (Iris)
The recommended way to use Insanity is through Iris Shaders, an alternative to OptiFine
- To install it, download it from their website, open the .jar file and install it in your .minecraft folder
- Then download Insanity and place the .zip file onto .minecraft\shaderpacks
- Open Minecraft using the Fabric Loader that Iris installed and go to Video Settings > Shaders and select Insanity
- Enjoy the darkness.
Made with ๐ค by ElocinDev
Special thanks to Capt Tatsu for making BSL
The Ultimate Guide to ๐ Insanity Shader
If you are exploring the vast world of Minecraft modifications, ๐ Insanity Shader by ElocinDev is a standout shader that deserves your attention. With over 31,904,191 downloads, it has become a staple for players looking to enhance their experience. As the creator describes it, this project is "A highly customizable horror styled Minecraft shaderpack based on BSL. ". Whether you are a veteran builder constructing massive cities, or simply a casual player looking to upgrade your survival world, this guide will provide you with all the essential details on how ๐ Insanity Shader alters the game.
What Makes It Special?
Unlike standard shaders that simply alter superficial elements, ๐ Insanity Shader introduces a wide array of visual and mechanical features designed to seamlessly blend into the vanilla aesthetic. ElocinDev has clearly spent significant time refining the project to ensure that every aspect feels polished and responsive for version 1.21.1.
Installation Guide
Getting ๐ Insanity Shader up and running is straightforward. Follow these step-by-step instructions:
- Verify Your Version: Ensure your Minecraft launcher is set to version 1.21.1.
- Install Mod Loader (if required): If this is a mod, download the compatible loader (Forge, Fabric, NeoForge).
- Download the File: Click the secure download button above to retrieve the official file from CurseForge.
- Move the File: Place the downloaded file into your `mods`, `shaderpacks`, or `resourcepacks` folder depending on the shader type.
- Launch and Enjoy: Open Minecraft, navigate to the respective settings menu, and activate ๐ Insanity Shader.
Compatibility & Performance
Compatibility is robust. ๐ Insanity Shader is designed specifically for version 1.21.1, taking full advantage of the latest engine optimizations. During typical gameplay, this addition maintains a stable frame rate, though lower-end laptops might experience slight stuttering. We recommend pairing this with performance boosters like Sodium or Iris to guarantee a silky-smooth experience.

