WASD = fly | right-drag = look around | wheel = zoom | middle-drag = pan | arrows = nudge | Z/X = height (brush size while painting) | Tab = next / Shift+Tab = prev | Shift+click / Alt+drag = multi-select | Q/E = variant | R = rotate | Plants: paint/erase (E) | click = place/select | Del = delete | Ctrl+D = duplicate | Ctrl+S = save | Ctrl+L = load | Ctrl+Z = undo