Select / box select Left drag Move / attack / harvest Right click Attack-move A + click Stop / Hold S / H Build menu (workers) B Train from building Q W Set / recall group Ctrl or Alt+1–9 / 1–9 Same type on screen Double click Scroll / zoom Arrows, edges, MMB / Wheel Jump to HQ Home Mute / Fullscreen / Menu M / F / P Cancel Esc or Backspace Ping your ally Alt + click Board a transport Right-click it Unload transport U + click Jump to alert Space Unit ability / repair R Queue orders Shift + click Next idle worker . Lay walls B, C, drag