Seriously. I realize people have Feelings about DRM and always-online stuff, but this is an article about a game that was never especially popular or active entering maintenance mode after a couple of years.
They aren't shutting it down, they aren't making it unplayable (though of course either of those things could happen at any time etc etc) - they just are no longer producing content for a game almost no one is playing anymore anyway.
Over the years, I've become one to keep my media use as legit as possible. No judgement on anyone who doesn't, but for a variety of reasons I have chosen to.
For retro games, that means my process is:
Though honestly I can't really be bothered to tinker with shit as much anymore these days, so often (but not always) by the time I arrive at unlicensed emulation as the solution I'll just decide to play something else instead.