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There is actually a trophy for destroying 10 hidden barrels, so I'm assuming there's 10 of these, but the only one I've found so far is in Buzzardton at the top of a ramp. There's also a trophy called I think 'Go with the flo' for finding a hidden medicine bottle. Judging by the spelling of 'Flo' I have a feeling this might be a certain Vykker product from Munch's Oddysee  |
Do you have info about other trophies as well?