Just a few ideas. I’ve spent an ungodly number of hours building in games like Conan, Minecraft, Fallout 4, Fallout 76, No Man’s Sky, and others. Grounded is my kind of game.
*I would LOVE to see some sort of traveling merchant bot. Have them sell unique decorations, weapons, and armor or something for science. As a builder player, having items in existence that can’t be crafted would be really exciting to me, and give me more reasons to get out of my buildings and explore.
*Underwater building pieces.
*Boat. A leaf? An acorn shell? Weevil carcasses? Idk. Something floaty