Probably a good time to try the PSP remake of the first one before this comes out.
Speaking of SO, did 6 do well?
Was the best selling "new" game in it's release week in Japan, if counting sales across all platforms (Selling more than Bayonetta). I think I recall people saying back then that it was the first time a Star Ocean game charted as high as it did. People also liked to claim it was the worst selling game in the series too, but the sales only included physical copies. Fact of the matter is, Japan is likely highly skewed towards digital sales so we can probably assume actual sales were much higher and different. No matter how you slice it, it was 2nd or 3rd best selling game that week (Multiple SKU or single), so "lowest physical copies sold in the series" just doesn't mean much I think. Range of ownership of the game on Steam is 40-80k. Would be nice to know what it's total sales are today though (Bayonetta 3 broke 1 million world wide according to Nintendo).
I personally really enjoyed the game. Story was generally whatever (As it goes with Star Ocean games), but gameplay was still fun. And in a time where games are releasing left and right with bugs, I don't think I experienced a single one (I played on Steam). Performance wise it could've been better, but my PC is also 10 years old so... /shrug.
They need to release Star Ocean 1 and 2 remakes on Steam though. I have no idea why the first one is only on Switch and PS4. I think Star Ocean 6 showed there's still interest in the series and there's room to grow... They just need to stop making the games exclusive to specific platforms so the series can build more awareness.