code/_onclick/hud/random_layer.dm 
            
        
| /atom/movable/screen/parallax_layer/random | Parallax layers that vary between rounds. Has some code to make sure we all have the same one | 
|---|---|
| /atom/movable/screen/parallax_layer/random/space_gas | Gassy background with a few random colors | 
| /atom/movable/screen/parallax_layer/random/space_gas/radioactive | Space gas but green for the radioactive nebula station trait | 
| /atom/movable/screen/parallax_layer/random/asteroids | Big asteroid rocks appear in the background |