Spawn units, research upgrades, place structures. Take control of units from either army and test out your micro skills. Simulate base assaults. Test your best counter-armies. Compare army costs. Save configurations for later, or even share them. Quick Help Units Mode Click to spawn 1 unit. Shift+Click to spawn 5 units. Ctrl+Click to remove 1 unit. Shift+Ctrl+Click to remove 5 units. Backspace to remove all selected units. Upgrades Mode Click to research an upgrade. Structures Mode Click to...