
Rusty's Sylvan
A simple and serene Worldgen mod, that overhauls a few vanilla biomes while adding its own biomes with a natural spin.
Screenshots




![Ice spikes Overhaul [Frozen Ocean here]](https://cdn.modrinth.com/data/11NI5MrV/images/959049ba75601f45a2b44c8055b67f6140268515_350.webp)

About this Mod

A mod by Rusty_Pie
![Mod Thumb [Redwood Forest with Karst coves' stone formations in front]](https://cdn.modrinth.com/data/cached_images/3865ec8c281761c08a4afa28ac070e0cbbcb702e_0.webp)
New biomes [+ features]
- Karst Coves
- Stone Fromations
- Arches
- Spires
- Stone Fromations
images



- Redwood Forests
- Redwood Sequoia Trees
images




- Auracaria Groves
- Auracaria Trees
Images



Vanilla Biome Overhauls
- Beach
- rocks
- larger beaches
- Badlands
- short cylindrical terracotta protrusions / terracotta mounds
- Stony Shores
- Stone Fromations
- Arches
- Spires
- Stone Fromations
- Ice Spikes + Frozen Ocean + Deep Frozen Ocean
- New larger conical ice spikes which point in random directions
Woodsets + Sapling
- Redwood [currently lacks doors, trapdoors, boats, signs & hanging signs]
- Auracaria [currently lacks doors, trapdoors, boats, signs & hanging signs]
Available Versions
How to Install Rusty's Sylvan on Your Server
Order Server
Order a Minecraft Java server with at least 4 GB RAM (6 GB recommended).
Set neoforge Loader
In the panel under "Egg", select the neoforge loader and matching Minecraft version (1.21.4).
Install Mod
Open the mod browser in the dashboard and search for "Rusty's Sylvan". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.4, 1.21.3, 1.21.2 (+1 more)
Server-side
✓ RequiredRecommended RAM
6 GB(min. 4 GB)Frequently Asked Questions
Rusty's Sylvan server crashes on startup – what to do?
Most common cause: wrong neoforge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 4 GB RAM is allocated and the loader matches the mod version (1.21.4). You can switch loaders with one click in the panel.
Is Rusty's Sylvan compatible with neoforge?
Rusty's Sylvan officially supports neoforge for Minecraft 1.21.4, 1.21.3, 1.21.2. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Rusty's Sylvan – how to optimize performance?
Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if Rusty's Sylvan consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
Similar Mods
Rent Modded Server
Install Rusty's Sylvan with just one click on your server.