In this guide, you will learn how to use the Oxidizer in Icarus. You have to follow the simple steps in this guide to use it.
You will need oxide, which looks like a blue rock, and you can easily find them along the ridges of the rock lines, as shown in the image below.
Once you find the rock, you will need to mine it with the pickaxe and collect the oxide. After that, aim at the bottom of the machine and press the E button, which will fill up a small container.
When the container is filled, you have to tap on it, and it will increase your O2 located on the bottom left corner of the screen, as shown in the image below.
