A shader to make Minecraft more Horror-ish. Nachtwind1 built it as a vanilla like pack with atmosphere. It asks for potato-tier hardware at minimum and works with Iris or OptiFine on Minecraft 1.20 – 1.21.3. Licensed MIT, so the download is mirrored right here on MineSpecs — no ads, no redirects.

How to install Optimism-shader

1. 1Install a shader loader for Minecraft 1.20 – 1.21.3 — Iris (pairs with Sodium) or OptiFine. Optimism-shader is a shaderpack, so it needs a loader to run.
2. 2Download the Optimism-shader .zip from the button above — keep it zipped. It is mirrored on MineSpecs, so there is no ad-gate or redirect.
3. 3Drop the .zip into your .minecraft/shaderpacks folder (%appdata%\.minecraft\shaderpacks on Windows, ~/Library/Application Support/minecraft/shaderpacks on macOS).
4. 4Launch the game, open Options → Video Settings → Shaders, and select Optimism-shader.

First time? How to install Minecraft shaders

Performance & what to expect

Optimism-shader is rated potato performance impact. It is the lightest tier in the catalogue — it runs on integrated graphics and older laptops. It renders atmosphere. The look is vanilla like.

More vanilla like shaders

Vanilish ShadersLow impact · by TyponNight Vision Fixby BluebirdLiquorice ShadersPotato impact · by CraftsAndSteamAscii like shaderPotato impact · by 5weetdevHyShaders - Fantasy EditionLow impact · by HybredFreeVibrant ShadersMedium impact · by Takkkom

Optimism-shader is created by Nachtwind1 and mirrored here under its MIT licence. MineSpecs is an unofficial fan project and is not affiliated with Nachtwind1, Mojang Studios or Microsoft.