Collect resources. Build up your base. Climb the tech tree. Collect more resources. Pump out a ton of upgraded units and overwhelm the AI with an unstoppable army. Rinse, repeat, and you’ve got yourself a single-player campaign. That’s the way Dune II did it back in 1992. That’s the way StarCraft did it in 1998. And that’s the way the original Warhammer 40,000: Dawn of War did it in 2004. ...