Shmups made in the age of bullet hell games (roughly speaking, , but which adapt a more classical design school reminiscent of the days when maybe 10 bullets were on the screen at most. If you want a recent shmup that follows that philisophy, I think you might like these.

Note that this pertains to the gameplay, not the graphics. A game can use the visual tools of modern games like 1080p visuals and R A Y T R A C I N G, but the important part is that it feels like something out of the 90s as opposed to a modern danmaku shooter.