When moving the mouse cursor over buildings the game displays a "drain" value. This usually appears to be the energy a building drains when idle. For most buildings it seems to be correct, but the actual energy drain for an inactive Rocket Silo is displayed different in the "Energy ne...

With the early multiplayer version of Factorio released are there going to be new purchasing options for people to buy multiple copies of Factorio at a discount?

You might want to think about putting up one or two high resolution screenshots to show off some things in greater detail. Personally I love scrolling through a large screenshot in games like OTTD and RCT. Also either my eyes are too tired or it's just the zoom level, but did you make sure to use lo...

I think rails could use wood. After all there's wood visible on the graphic, right?

I'd like to see a graph displaying energy stored over time. A simple display similar to production/consumption, just for accumulator capacity instead.