Port Royale 2/Artifacts
Spoiler warning! This section of the article contains spoilers, or hints about the game's storyline or progression.
You might want to skip down to the next heading if you do not want facts about the game's storyline or plot revealed to you.
In the game, you may see a chest with a question Mark, this means that there is a quest item inside, sometimes it is an artifact, when you collect all 20 Artifacts and show them to your wife; you'll get a prize, a steam powered ship.
The Bonus Ship is one of the best ships in the game, it's very powerful, has a high maneuverability and a lot of cannons.