CurseForge · Minecraft mod
Environmental Tech Legacy
A port of Environmental Tech 2 to more modern versions of Minecraft
Quick answer
Which Environmental Tech Legacy release should I use?
Environmental Tech Legacy envirotech_legacy-neoforge-1.21.1-2.2.1.jar targets 1.21.1 with NeoForge. The project page does not say whether this file belongs on the client, dedicated server, or both. All 1 required mods have matching files.
Where it goes
Is Environmental Tech Legacy required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does Environmental Tech Legacy envirotech_legacy-neoforge-1.21.1-2.2.1.jar need?
envirotech_legacy-neoforge-1.21.1-2.2.1.jar. Change the file and its required mods may change too.
Install ValkyrieLib first. We found matching files for this game-version and loader setup.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Environmental Tech Legacy without breaking your instance.
Built for Environmental Tech Legacy envirotech_legacy-neoforge-1.21.1-2.2.1.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use envirotech_legacy-neoforge-1.21.1-2.2.1.jar. It targets 1.21.1 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install ValkyrieLib first. We found matching files for this game-version and loader setup.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside envirotech_legacy-neoforge-1.21.1-2.2.1.jar. It opens that exact file at the source.
About this project
What does Environmental Tech Legacy add?
Environmental Tech Legacy
A tech mod filled with multiblock machines, based on Environmental Tech 2.
Environmental Tech Legacy brings back the classic Environmental Tech 2 experience: a set of large, powerful multiblock machines that run on or generate RF / Forge Energy. They're built for the mid-to-late game, taking real resources to construct and giving big rewards once they're running.
Features
- Void Miners: Pull ores and other resources straight from the void.
- Solar Arrays: Generate large amounts of energy from the sun.
- Lightning Rods: Capture lightning strikes for massive bursts of power.
- Nanobot Beacons: Give yourself or others effects that improve gameplay.
Requirements
Looking for older versions or ET3 and Later?
The modern Environmental Tech (ET3 and later) and the original versions of this mod on older versions of minecraft are available here: Environmental Tech
Links
Project description from CurseForge.
Pick your setup
Environmental Tech Legacy by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.1
1 loader build1.20.1
2 loader builds1.19.4
1 loader build1.18.2
1 loader build1.17.1
1 loader build1.16.5
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Environmental Tech Legacy versions and loaders
envirotech_legacy-neoforge-1.21.1-2.2.1.jar
9 Nov 2026
envirotech_legacy-neoforge-1.20.1-2.2.1.jar
8 Nov 2026
envirotech_legacy-forge-1.20.1-2.2.0.jar
8 Nov 2026
envirotech_legacy-forge-1.19.4-2.1.2.0.jar
8 Nov 2026
envirotech_legacy-forge-1.18.2-2.1.1.0.jar
8 Nov 2026
envirotech_legacy-forge-1.17.1-2.1.1.0.jar
8 Nov 2026
envirotech_legacy-forge-1.16.5-2.1.1.0.jar
7 Nov 2026
envirotech_legacy-forge-1.16.5-2.1.0.2.jar
6 Nov 2026
envirotech-legacy-forge-1.16.5-2.1.0.1.jar
6 Nov 2026
Looking for an older file? The official CurseForge project page is in Resources.