

These mods can also be used on the server (jar version), which uses the same class files.
Here is a comparison of three worlds all generated using the same seed (-123775873255737467), centered around spawn:
Default 1.7.x cave generation for comparison purposes:

No caves; ravines, mineshafts, and lakes still generate; it is also important to note that dungeons are extremely rare without caves, although the loot can be found in chests elsewhere (music discs from creepers, dungeons also have only two out of 12):

Old cave generation; generates the same way as versions through 1.6.4, including across old-new chunks (no cut-off caves):

Double old cave generation; twice as many caves as old cave generation:

Download Links
For 1.7.4
No Caves: https://dl.cdn9mc.com/index.php?act=dl&id=1388460208
Old Caves: https://dl.cdn9mc.com/index.php?act=dl&id=1388460073
Double old caves: https://dl.cdn9mc.com/index.php?act=dl&id=1388460190
For Minecraft 1.7.2
No Caves: https://dl.cdn9mc.com/index.php?act=dl&id=1388460252
Old Caves: https://dl.cdn9mc.com/index.php?act=dl&id=1388460265
Double old caves: https://dl.cdn9mc.com/index.php?act=dl&id=1388460227
- Edition: Minecraft Java
- File type: .jar
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: In MC Java Mods, or directly above on this page.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Downloads as 214595.mcaddon
- Download size: 2 KB
- Download link checked 24 Jul 2026 — working
- Mirrored on our own servers — the download does not depend on the original host
These come from our own check of the pack file, not from the source page.