Is Silent Hill a purgatory?

Is Silent Hill a purgatory? The Spiral-writing Key has “‘Tis doubt which leadeth thee to Purgatory” written on it, which could be interpreted as James being in a “purgatory” because he is uncertain, confused, and unsure about his quest for Mary. This implies Silent Hill is a purgatory.

The Spiral-writing Key has “‘Tis doubt which leadeth thee to Purgatory” written on it, which could be interpreted as James being in a “purgatory” because he is uncertain, confused, and unsure about his quest for Mary. This implies Silent Hill is a purgatory.