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shader pack

[BTB] Back To BasicsMinecraft shader pack for 26.1.2

BTB is a shader that emulates the looks of old retro PS1 3D games.

client onlynewest supported release 26.1.2CursedVanilla LikeAtmospherePotato
Latest version
1.1.1
Minecraft
1.17 to 26.1.2
Works with
OptiFine, Iris
Licence
MIT
Downloads
163.6k
Updated
12 mo ago
Available on
Modrinth

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

Every version [BTB] Back To Basics declares support for, newest first, with the Java runtime that version needs.

Other shader packs
MinecraftThroughJavaEvidenceReleased
26.1.2OptiFine, Iris25+declared9 Apr 2026
26.1.1OptiFine, Iris25+declared1 Apr 2026
26.1Iris, OptiFine25+declared24 Mar 2026
1.21.11OptiFine, Iris21+declared9 Dec 2025
1.21.10OptiFine, Iris21+declared7 Oct 2025
1.21.9OptiFine, Iris21+declared30 Sept 2025
1.21.8OptiFine, Iris21+declared17 Jul 2025
1.21.7OptiFine, Iris21+declared30 Jun 2025
1.21.6OptiFine, Iris21+declared17 Jun 2025
1.21.5OptiFine, Iris21+declared25 Mar 2025
1.21.4OptiFine, Iris21+declared3 Dec 2024
1.21.3OptiFine, Iris21+declared23 Oct 2024
1.21.2OptiFine, Iris21+declared22 Oct 2024
1.21.1OptiFine, Iris21+declared8 Aug 2024
1.21OptiFine, Iris21+declared13 Jun 2024
1.20.6Iris, OptiFine21+declared29 Apr 2024
1.20.5OptiFine, Iris21+declared23 Apr 2024
1.20.4OptiFine, Iris17+declared7 Dec 2023
1.20.3Iris, OptiFine17+declared4 Dec 2023
1.20.2OptiFine, Iris17+declared20 Sept 2023
1.20.1OptiFine, Iris17+declared12 Jun 2023
1.20OptiFine, Iris17+declared2 Jun 2023
1.19.4OptiFine, Iris17+declared14 Mar 2023
1.19.3Iris, OptiFine17+declared7 Dec 2022
1.19.2OptiFine, Iris17+declared5 Aug 2022
1.19.1OptiFine, Iris17+declared27 Jul 2022
1.19Iris, OptiFine17+declared7 Jun 2022
1.18.2OptiFine, Iris17+declared28 Feb 2022
1.18.1OptiFine, Iris17+declared10 Dec 2021
1.18OptiFine, Iris17+declared30 Nov 2021
1.17.1OptiFine, Iris16+declared6 Jul 2021
1.17OptiFine, Iris16+declared8 Jun 2021

Download

From [BTB] Back To Basics’s own host. Nothing is re-hosted here.

For Minecraft 26.1.2

Choose the loader you use before downloading.

Most recently published release

1.1.1release22 Oct 2025

[BTB] Back To Basics 1.1.1.zip · 12 KB · for 26.1.2, 26.1.1, 26.1, 1.21.11, 1.21.10 +27 more · Iris, OptiFine

Choose file on publisher ↗
cba92ccd9118…
Older versions4

Frequently asked

Does [BTB] Back To Basics work on Minecraft 26.1.2?

Yes. 26.1.2 is the newest Minecraft version [BTB] Back To Basics declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does [BTB] Back To Basics support?

Everything the author has declared, from 1.17 up to 26.1.2. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install [BTB] Back To Basics on the client or the server?

The client only. There is nothing to install on the server side. That is the author's declared design, not a guarantee for every server: one running anti-cheat or missing a counterpart mod can still object.

What licence is [BTB] Back To Basics under?

MIT, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install [BTB] Back To Basics?

You need a shader loader first: Iris (with Sodium) or OptiFine. Put the downloaded file in your shaderpacks folder and select it in the video settings shader screen. The shader loader, not the pack, decides which Minecraft versions work.

Where do I download [BTB] Back To Basics safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Details from Modrinth, where the author last updated it on 22 Oct 2025. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .