code/_onclick/hud/parallax/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 |