My top suggestions would be:
For games, these each have an important role. Turnips are usually the first quick and easy crop. Wheat to craft into bread. Potato and onions are staples for cooking so would be great for games with that. Strawberries open up jams, and cucumbers open up pickling.
Btw im loving your assets so far. I replaced some of the tools I was using (Sickle, Hoe, and Watering Can) with ones from your pack.