The story tells, that the character lands on a alien planet. Why is there a human-friendly atmosphere with oxygen?
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.
mod does not work.
Add line in "Oxygen_Patched_1.4.5/prototypes/oxygen.lua" file
icon = "Oxygen_Patched/graphics/oxygen.png", icon_size = 32, << --- add this
... it will work (γ) Factorio 0.16.36
Ah, my bad I missed that one because it's disabled if another mod creates a fluid called oxygen. I'll upload the fix in a moment.
