Finish the game.
Get the magic saber.
Unlock all the clover boxes.
Fire the canon in the museum.
Finish the game in less than 4h.
Get into the meca-pinguin room.
Get the syrup in the pharmacy before going to Twinsen's house.
Talk to the Star Wars fanboy.
Find the secret passage in the museum.
Unlock the second video of the ferry trip.
Have at least 500 Kashes in your wallet.
Unlock the 4 videos in which Twinsen gets a slap.