^i hated the fucking ghosts and annoying room/inventory elements in 4, so i never finished it
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Sadly they screwed this up with constand need to go back to room and unkillable monsters - ghosts, but the story is great, much better than this cult overrated shit from the SH3. But when I ignored those annoyances I enjoyed the game very much. I advice to play it in small doses, like half hour a day.