Project Ozone 3 server facts
| Edition | Version | Minecraft | Loader | Mods | On the server | Server pack |
|---|---|---|---|---|---|---|
| Project Ozone 3 | 3.4.11F | 1.12.2 | Forge 14.23.5.2860 | 261 | 255 | Yes |
Made by TheCazadorSniper, Seyeght and OG_Arist0tle. Mods counted in the release files on 27 September 2026; mods that only run on a player's computer are not loaded by the server.
What is in the Project Ozone 3 modpack
Project Ozone 3 is a skyblock pack. The first resources come from dirt and cobblestone with Ex Nihilo Creatio.
| Stage | Mods |
|---|---|
| Start | Ex Nihilo Creatio |
| Middle | Thermal, Mekanism, Ender IO, Actually Additions, Botania, Astral Sorcery, Blood Magic, Applied Energistics 2 |
| End | Draconic Evolution, ProjectE, Avaritia |
The pack has three modes: Normal, Kappa and Titan. Kappa and Titan have much longer recipes.
Project Ozone 3 server tips
- Choose the mode before anyone starts. It applies to the whole server.
- The pack is finished; 3.4.11F is from January 2023. No update will change a recipe mid run.
- Endgame machines such as Neutron Collectors run for days. A server that is always on keeps them working.
How to install Project Ozone 3 on your server
- Order a Forge server below. Any Minecraft version is fine; the installer sets 1.12.2.
- In the control panel, open the Mods tab and go to CurseForge and FTB packs.
- Search for Project Ozone 3, pick the version and click Install this pack.
- Start the server in the Console tab. The first start of Project Ozone 3 takes a few minutes; wait for
Done. - Players install the same Project Ozone 3 version in their launcher and join with the server address.

The full walkthrough with screenshots is in how to install a modpack.
Project Ozone 3 server RAM requirements
The void world costs little. Endgame production lines are what fill the memory on a Project Ozone 3 server.
| Players online | RAM | vCPU | NVMe storage | Price a month | Order |
|---|---|---|---|---|---|
| 1 to 3 players | 5 GB | 2 | 25 GB | €4.00 | 5 GB Project Ozone 3 server |
| 4 to 8 players | 7 GB | 2 | 35 GB | €5.60 | 7 GB Project Ozone 3 server |
| 9 to 16 players | 9 GB | 2 | 45 GB | €7.20 | 9 GB Project Ozone 3 server |
Every size costs €0.80 per GB of RAM a month. See how much RAM a Minecraft server needs for the rule behind these numbers.
Questions about Project Ozone 3 server hosting
Which mode should our PO3 server use?
Normal for most groups. Kappa and Titan are for players who know the pack.
Does Project Ozone 3 need Java 8?
Yes. Minecraft 1.12.2 with Forge 14.23.5.2860 runs on Java 8, and the panel sets it.
Does Project Ozone 3 have a server pack?
Yes. Release 3.4.11F has one, so the quests and configs are installed with the mods.
Written by the Cheapest Minecraft Hosting team, first published , updated .

