Spore's Magic Crayons (slides)

http://levitylab.com/cog/presentations/gdc07/SporesMagicCrayonsPPT.zip

Spore's Magic Crayons (audio)

https://www.gdcvault.com/play/527/SPORE-s-Magic

Storytelling, World Building, and You

https://www.youtube.com/watch?v=jd7K0EmkvPk

Casual Creators

https://www.galaxykate.com/blog/casualcreator.html