Oxygen 3 is an expanded version of Tekkit 2 with more up-to-date tech mods and useful additional mods like Immersive Engineering, Tinkers Construct, Thermal Foundation, Xaero's Minimap, Applied Energistics 2, Refined Storage, Energy Converters, Extra Utils, Ender IO and more.
Install Oxygen 3
Step 1
Installing a modpack using the Technic Launcher is easy. If you don't already have the launcher downloaded, visit our download page to get the latest version.
Step 2
Type in the modpack name (Oxygen 3) or paste the following url into the search box.
Step 3
Finally, click Install at the bottom right of the launcher after you select Oxygen 3 from the list on the left. The launcher will handle everything else!