This minigame was released back in 2002 to help promote the then upcoming release of Stronghold Crusader.
Extract the game file, and drag the .drc file into you web browser window, and it will open it. You will need to have the Shockwave Plugin installed and you may have to adjust your security settings to allow it to be played.
A bonus level shooting birds.
A Duel to the death.
The Other Firefly Studios Mini-Games can be found here: