Draw wall blocks, lines or rectangles.
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.
New ways to deal with enemies, be it attack or defense.
Armors or armor equipment.
Map generation and terrain modification.
On the surface the default hotkey makes sense, Control + W for wall, but for some players who use hotkeys a lot it's fairly common to hit this combo by mistake.
I'm unsure if you'd prefer a different default, or no default?
The default can be overridden in the Factorio settings
