Product
About
A lightweight atmospheric shader focused on soft lighting, liminal visuals, and immersive ambience. Designed to give Minecraft a strange, dreamlike feeling while keeping performance smooth on lower-end PCs.
Features:
Soft ambient lighting
Atmospheric fog
Many presets to choose from
Calm color grading
Enhanced night mood
Lightweight performance
Optimized for Iris
Perfect for:
Backrooms builds
Liminal spaces
Exploration
Atmospheric screenshots
Compatibility:
Iris Shader Loader
Minecraft 1.20.1
Status
Currently in active development. More visual improvements and features will be added in future updates.
Preview
Product images
Environment
Requirements & compatibility
Compatibility & requirements
IrisOptifine1.20.11.21.5
Local host
Required
Hosting on services
Unsupported
Terms
License
Terms for using, modifying and redistributing this product.
LicenseRef-All-Rights-ReservedModrinth
Release
Latest release
v1.2.1
26.07.2026 · Modrinth
the update is finnaly here! ive been trying and experementing with effects that make the shader look better,meaning that this version is gonna be VERY buggy and ive also switche dto 1.21.5 after i fix the bugs in this version i then start releasing it for other versions. enjoy!
Gallery
Project images
Screenshots and images from the original Modrinth page.
Liminal Structure
Liminal Dreampools 2
Backrooms with the backrooms preset
Backrooms Level 10
Work in progress
Eternal suburbia
A sneak peek on the upcoming update!
Liminal DreamPools
Backrooms Preset
History
Project versions
Published versions and original Modrinth files.
v1.2.1LatestAlpha
26.07.2026 · 398 downloads
IrisOptifine1.21.5
the update is finnaly here! ive been trying and experementing with effects that make the shader look better,meaning that this version is gonna be VERY buggy and ive also switche dto 1.21.5 after i fix the bugs in this version i then start releasing it for other versions. enjoy!
v1.2.0Alpha
30.05.2026 · 1 618 downloads
IrisOptifine1.20.1
Alpha 1.2.0 is finnaly here! added more presets a vhs effect with camera sway/shake and warping on the sides! enjoy!
v1.1.5Alpha
23.05.2026 · 173 downloads
IrisOptifine1.20.1
The presets finaly work!!!! added dreamcore poolrooms liminal and backrooms will try hard to improve em in the future!
v1.1.4Alpha
23.05.2026 · 20 downloads
IrisOptifine1.20.1
stripped evething to ground zero and rebuilt it to a new more dreamy vivid stylized look! best version i ever released!
v1.1.3Alpha
17.05.2026 · 107 downloads
IrisOptifine1.20.1
still trying to fix so many bugs removed stuff that might be causing the bugs
v1.1.2Alpha
16.05.2026 · 24 downloads
IrisOptifine1.20.1
fixed the ui and improvments to the presets
v1.1.0Alpha
10.05.2026 · 150 downloads
IrisOptifine1.20.1
Fixed more bugs addded more settings
v1.0.5Alpha
09.05.2026 · 57 downloads
IrisOptifine1.20.1
v1.0.4Alpha
08.05.2026 · 44 downloads
IrisOptifine1.20.1
added bloom settings optimized it even more
v1.0.3Alpha
08.05.2026 · 18 downloads
IrisOptifine1.20.1
Fixed a bug where it makes everything invisible,added aurora color presets
v1.0.2Alpha
07.05.2026 · 23 downloads
IrisOptifine1.20.1
added presets still in very early testing.
v1.0.1Alpha
07.05.2026 · 16 downloads
IrisOptifine1.20.1
fixed some bugs should look better now,still in alpha!
v1.0.0Alpha
06.05.2026 · 20 downloads
Iris1.20.1
A liminal style shader still in alpha testing so expect alot of bugs
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