Shaders setup for TerraFirmaGreg. TerraFirmaGreg-Shaders is a vanilla-like pack from TerraFirmaGreg. It runs through Iris or OptiFine on Minecraft 1.12.2 – 1.20.1. The pack itself ships the Complementary License Agreement, which does not allow re-uploads, so the button above goes to the author’s official Modrinth page.

How to install TerraFirmaGreg-Shaders

1. 1Install a shader loader for Minecraft 1.12.2 – 1.20.1 — Iris (pairs with Sodium) or OptiFine. TerraFirmaGreg-Shaders is a shaderpack, so it needs a loader to run.
2. 2Download the TerraFirmaGreg-Shaders .zip from the button above — keep it zipped. Its licence doesn’t permit re-hosting, so that button takes you to the official modrinth.com page — always the newest build, straight from the author.
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 TerraFirmaGreg-Shaders.

First time? How to install Minecraft shaders

Performance & what to expect

TerraFirmaGreg gives TerraFirmaGreg-Shaders no performance rating, so check your frame rate at your usual render distance.

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TerraFirmaGreg-Shaders is created by TerraFirmaGreg and published under its own Custom — no re-hosting terms. We link to the author’s official download rather than mirroring it — the pack is theirs, and its licence asks that it stay that way. MineSpecs is an unofficial fan project and is not affiliated with TerraFirmaGreg, Mojang Studios or Microsoft.