Get quick and convenient access to just the hints you need for Return to Mysterious Island, without staying on our website. Just download a free trial
version of our UHS Reader software and
a copy of these hints. You will get the
same gradual hints you see here -- unlike ordinary cheats or a
walkthrough that can spoil your game.
You can also buy the full version of the UHS Reader
for Windows or macOS. For just $14.95, you get full access to hints for
hundreds of games and 1 year of free updates. You can also search, decode, or print an entire
game's worth of hints at once.
Ask the Author
If you have questions about a puzzle that aren't answered
anywhere in these hints,
you may contact the author.
Return to Mysterious Island Hints
Where can I find sulfuric acid?
1 of 9: The men who originally landed on Lincoln Island, and who made it their home, left many items behind. Captain Nemo seems to have also been somewhat of a scientist himself.
2 of 9: Once you have visited Granite House (via the "front door"), you can explore around within, and find quite a number of useful items inside.
3 of 9: However, there are several places within the caverns of Granite House that are initially too dark for Mina to see.