Mod Info

Minecraft Sigma (MCS) is a total conversion mod for beta 1.7.3. Challenging survival that breeds creative solutions, encourages exploration, while preserving the sandbox nature and feel of old Minecraft.

Official Wiki

Major Additions include:

• Cauldron brewing for potions.
• Arcane magic and spell creation.
• Nether Expansion!
• Multiplayer support
• Double world height using same world format!
• Alpha monoliths form past 3000 blocks!
• Animal taming.
• Armor stands.
• Slime blocks for bouncing items and entities.
• Dynamite with rocket jumping.
• Enhanced Mob AI.
• Ancient beacons.

Join Discord for help or discussion:

https://discord.gg/4GySNencr4

INSTALLATION

If you used Prism Launcher before, here is the easiest way to instsall MCS in one click - just download the instance zip linked below and import as new instance.

CLICK TO DOWNLOAD Prism Instance else use manual install option shown below;

Manual installation way

1. Download and install Java 8.
2. Download and install MultiMC or PrismLauncher.
3. Create a new b1.7.3 instance.
4. Download the latest MCS mod zip file from ⁠releases.
5. In Launcher, Select your new beta 1.7.3 instance, click Edit -> Version -> Add to Minecraft jar > choose mcs-[version].zip
6. OPTIONAL: Install LaunchWrapper for client side fixes like player skins https://github.com/MCPHackers/LaunchWrapper/blob/main/doc/MultiMC.md
7. Play!

To update the mod, simply download the new mcs.zip, select your launcher instance that you created earlier, click Edit -> Version -> Add to Minecraft jar > choose new mcs.zip After you added the new mod zip, select the old one and click Remove.

DO NOT install other mods alongside MCS as they are not compatible!

Survival Tips

• Check achievements, they can give you hints!
• Craft first tools with flint.
• Dig clay and place it in the sun to dry.
• Build furnace from bricks.
• build walls to protect your base
• Tame animals with different foods.
• Mix and match armor for defence bonuses.
• Store armor on stands.
• Control and right click to place down tools.
• Use inventory shortcuts like number keys, dragging, control click.
• Build roads for faster walking
• Construct beacons for powerful effects.
• Mine Nether ores to discover potion brewing and sorcery
• your items linger for 20 minutes in loaded chunks so you have time to prepare for the trip back; late game you can use black sand to point in the direction of your corpse.

Notable Recipes

Useful Java args

-XX:+UseConcMarkSweepGC -XX:-UseAdaptiveSizePolicy -Xss1024K

You should allocate 1 gigabyte of RAM, old minecraft does not need much.

WARNING

Not compatible with other mods! WIP Multiplayer.

Credits

Mojang - the game itself and assets;

RetroMCP - the tool I used to decompile, reobfuscate and build this mod;

Birevan - Light Color modification;

FloweChild - Piston packing code, game design ideas such as material walk speed, gloom, textures for barrel and creeper oysters;

Bestsoft100 - help with dynamic block mining delay;

alexchompski - lots of custom textures;

Krzysztof Pikes - new music from Askew

This project modifies obfuscated class files from Minecraft Beta 1.7.3, which is © Mojang AB and not open source. The author claims no ownership over the original Minecraft code. This mod is provided for educational and archival purposes only. No part of this project may be used commercially. Redistribution of Minecraft code remains subject to Mojang’s end-user license agreement (EULA).