Ads keep us online. Without them, we wouldn't exist. We don't have paywalls or sell mods - we never will. But every month we have large bills and running ads is our only way to cover them. Please consider unblocking us. Thank you from GameBanana <3

A Question - A Forum Thread for Alex Basics in Biology and Zoology

Because Alex Basics isn't it in the add question thing, im gonna make the question in a thread:
How i can add darkness in Alex Basics like these mods did?:
https://www.youtube.com/watch?v=N7NxTcqFg90
https://www.youtube.com/watch?v=2a_TAUMSPNI
https://www.youtube.com/watch?v=Hkj3-MGcv80
https://www.youtube.com/watch?v=1SMcffG3VLM