Project Ozone 3
Minecraft Server IP, Website Link and Vote Link

Connecting to Project Ozone 3 takes about a minute: open Minecraft, add the server IP from this listing, and join on a client that matches 1.20.1 (or a compatible version).

Owner summary: “Project Ozone 3 (Kappa Mode) 3.3.61 Online-Map: http://maelstromts.de/map Welcome to the maelstrom server! Here are some commands you might”

Still stuck? See our how to join a Minecraft server guide.

Use these official addresses from the Project Ozone 3 Minelist listing:

• Java: server.maelstromts.de (default Java port 25565)

Copy buttons also appear in the sidebar. Bookmark this page so friends always get the current IP if the hostname ever changes.

Last ping reported software/version string: 1.20.1. A version mismatch is one of the most common reasons a correct IP still fails to connect.

Project Ozone 3 is free to join from this Minecraft server list. You need a legitimate Minecraft Java account; Minelist does not charge you to connect.

If the server later sells optional ranks, those would be handled on their own site or Discord — not through a Minelist fee.

Project Ozone 3 is listed on Minelist as a Modded Minecraft server based in Germany.

Additional modes/tags on this listing: ftb, skyblock.

From the server description: “Project Ozone 3 (Kappa Mode) 3.3.61 Online-Map: http://maelstromts.de/map Welcome to the maelstrom server! Here are some commands you might”

Compare similar worlds on our Modded Minecraft servers hub, or read the full description on this page before you invest time building.

Our last successful ping for Project Ozone 3 reported version 1.20.1. That string comes from the live server, so it is the most reliable clue when Multiplayer says “outdated client” or “outdated server”.

The owner also listed these supported clients: 1-7. Multi-version networks (ViaVersion / protocol support) can accept a range such as 1.20–1.21 even when the ping string shows one build.

On our last check, Project Ozone 3 showed 0/10 players with status Offline (checked 1 Sep 2026, 7:29), latency 5030 ms from the Minelist monitor.

Current vote rank on Minelist: #11835. Rankings move as the community votes, so activity and visibility are related but not identical.

Player counts change throughout the day. Refresh this page or use the Server Status Checker for a live probe of the same address.

This Minelist listing places Project Ozone 3 in Germany. Players closer to that region typically get lower ping and smoother gameplay.

Our monitor last measured about 5030 ms to the server — your home ping will differ based on your ISP and distance.

If you live far away, try a short session after joining with server.maelstromts.de to see whether combat and building feel responsive enough for you.

Our last check for Project Ozone 3 reported status Offline (1 Sep 2026, 7:29).

That can mean a restart, maintenance, or an outage. Try again later, or probe the IP with our status checker.

Official links for Project Ozone 3 from this listing:

• Website: maelstromts.de — rules, maps, and announcements.

Minelist only lists Project Ozone 3 — we do not run their bans, payments, or in-game support.

Also check maelstromts.de for contact pages or status posts.

Voting on Minelist is free and usually limited to about once per day per Minecraft server. Each vote helps Project Ozone 3 climb the public rankings so more players discover the listing.

This server is currently around rank #11835 on our list — votes from real players move that position over time.

Vote for Project Ozone 3 on Minelist — enter your Minecraft username and submit. Share the vote link in Discord if you want friends to help the server grow.