I often find myself having to limit how fast I build because aligning stuff, specially small stuff while zoomed out is quite hard. If there was a way to lock the axis where you are building on (only horizontally, only vertically, etc.) this would be solved, as you could easily zoom out, and drag ...

Maybe an electric train then?
I don't know. I just like the ideia of connecting bases (yours and alien's) with trains

For the bitters we could have a building/weapon/item that calms them down.
The building would spread a "calming" substance just like pollution is spread. This increases the bitter's tolerance for it and decreases their hostility towards you.

Another thing that would be nice if there ever comes a ...

The link to the Portuguese translation is actually the link for the polish translation.

Also I'd like to know if the PT translation is for Portugal's Portuguese or Brazil's Portuguese, because I'm Brazilian and I'd love to translate it to PT-BR