Kerbal Space Program's ho-hum first expansion is a great excuse to revisit a PC gaming paragon

It's been a while since I've dug into Kerbal Space Program. Not really a surprise--after all, it's been three years since it emerged from Early Access, not to mention the countless hours I put into the game before that. At some point I did everything I wanted to do, or at least everything I had the (rough and unpolished) skills to do. So I was excited to hear about the $15 Making History expansion, Kerbal's first ever paid add-on. With that as its claim to fame, I was sure we were in for something special.