Shadow Hearts Series

ConsoleNameDeveloperLucca's Observations
PS2Shadow HeartsSacnothTakes place after Koudelka's bad ending, incorporates cosmic horror, alternate history, and a timing-based disc that affects success
PS2Shadow Hearts: CovenantNautilusMore of the above, but it has a vampire wrestler, so it's immediately 5203487203 times better
PS2Shadow Hearts: From the New WorldNautilusSimliar gameplay to the previous entries, but more of a comedic tone and weaker dungeon design
PSXKoudelkaSacnothHorror-themed JRPG, the precursor to the Shadow hearts series