Click map to place / move the mortar. Move mouse to swing the barrel 360°. Scroll to change range (Shift = ×5, Alt = 1m). W/S ±10m ↑/↓ ±1m A/D bearing ±0.5° Space lock Ctrl+scroll / +− zoom drag to pan.
Tap to place the mortar, drag to pan, pinch to zoom. Use the slider for range; tap again with the aim locked to move the mortar.
Ranges are flat-map distances. In-game elevation differences shift the real impact; the game adds ~0–5m random spread.