Games like these have a strong future. Basically games that innovate beyond what a game engines like Unity or Unreal can offer are, by design, going in a direction that is more likely to succeed than anything we see come out these days... Making super nerdy games that are so far off the field the engines users can't touch you, puts you in a different league; even if your game looks like a dog's breakfast, as long as…
And I'm pretty sure you can make this game in Unity...