Mod Info

Minecraft Sigma (MCS) is a total conversion mod for beta 1.7.3, like an alternate development branch.

Major Additions include:

• Ocean expansion.
• Double world height using same world format!
• Alpha monoliths form past 3000 blocks!
• Nether progression!
• Cauldron brewing for potions.
• Arcane magic and spell creation.
• Multiplayer support
• Animal taming.
• Slime blocks for bouncing items and entities.
• Dynamite with rocket jumping.
• Ancient beacons.
• Insane FPS thanks to VBOs, chunk + entity culling...

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

If there are weird issues like sounds missing or crashing when opening doors (maybe missing door sound), you should try installing manually like 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, launch it to get sound assets.
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!
• Press I to open recipe guide
• 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.
• 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 Deathpoint spell to find direction of your corpse.

Notable Recipes

Spoiler

Recipe: Cauldron and Arcane Table Ingredients:

• Dormant rock

Potions: mix items and find out

Recipe: Saddle x1 Ingredients:

• Leather

Recipe: Bucket Empty x1 Ingredients:

• Ingot Gold

Recipe: Dynamite x4 Ingredients:

• Redstone x1
• Gunpowder x1
• Gunpowder x1
• String x1

Recipe: Tnt x1 Ingredients:

• Dynamite
• Paper

Recipe: Seared Bricks x4 Ingredients:

• Seared Stone

Recipe: Grout x2 Ingredients:

• Soul Sand
• Gravel
• Clay

Recipe: Brick Block x2 Ingredients:

• Brick
• Clay

Recipe: White Stone x1 Ingredients:

• Cobblestone
• Bonemeal

Recipe: Beacon x1 Ingredients:

• Glass
• Glow Stone
• Obsidian

Recipe: Stone Bricks x4 Ingredients:

• Stone

Recipe: Iron Grate x6 Ingredients:

• Ingot Iron

Recipe: Slime Block x1 Ingredients:

• Slime Ball

Recipe: Barrel x1 Ingredients:

• Wood Logs

Recipe: Armor Stand x1 Ingredients:

• Fence
• Stone Slab

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!

SERVER SETUP

You will need: internet, zip tool like 7zip, Java 8 for your system home environment.

1. Download vanilla beta jar from https://files.betacraft.uk/server-archive/beta/b1.7.3.jar
2. Download MCS server from versions tab.
3. unzip the jars into 2 separate folders.
4. copy paste all mcs extracted files to beta 1.7.3 server folder, replace all.
5. zip the resulting files into a new file.
6. rename the new file into server.jar (enable file extensions important)
7. in a new empty folder put the server.jar
8. In a command prompt/terminal cd into the server folder and Run with java -jar server.jar
9. if you want public access, you can port forward through your wifi router

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).