Here are all hidden items in the game teardown.
600$ BANANA (thanks Enward)
[compaign map] crawl into the furnace, shoot it if you can’t fit, go into the cave, eat banana.
450$ antique sword
there is no door to this one, to get it you’re gonna have to break the wall shown in the screenshot.
400$ pirate dagger
it’s in between two rooms upstairs hidden behind the wall.
400$ bag full of cash
get on the table and smash the ceiling down
400$ treasure
get to the attic by breaking the ceiling
250$ camera
on the roof, you can get there by climbing the highest corner and shooting the roof with the shotgun
250$ item
250$ coin collection
hidden in the corner, second floor
120$ valuables
