I found 3 tolerable except for the boss battles. It just wasn’t the same after Activision acquired the IP. The devs behind GH1 and 2 (Harmonix) moved on to make Rock Band. Activision flooded the zone and mostly killed the genre due to oversaturation over a decade ago. DLC for RB4 ended just last year (thanks Epic, and fuck you).

One of these days I’m going to dig out my CRT and hope my PS2 guitars still work.