This game loves to use the Sozaijiten CD volumes. We've currently barely scratched the surface as there's still a lot here to be discovered. It's very likely you could come across a finding yourself by comparing in-game textures with the Sozai CD's.

Some textures from this game are reused in Super Smash Bros. Ultimate

Company	Library	Abandonware?
Datacraft	Material Dictionary Volume 6: Four Seasons・Nature (SSBM)	No
Datacraft	Material Dictionary Volume 8: Walls & Soils (SSBM)	No
Datacraft	Material Dictionary Volume 14: Vegetables & Fruits (SSBM)	No
Datacraft	Material Dictionary Volume 16: Barks & Annual rings (SSBM)	No
Datacraft	Material Dictionary Volume 22: Food & Dishes (SSBM)	No
Datacraft	Material Dictionary Volume 68: Japanese Seasonal Events (SSBM)	No
Datacraft	Material Dictionary Volume 73: Japanese, Western & Chinese (SSBM)	No

Currently Missing

Food Items

Milk Carton

Burger

Donut