sentences:  Like its predecessor, the game is a combination of action-adventure and stealth-based side-scroller, developed and published by Muse Software, and released in 1984.After the death of the original designer of the program, the widow of Silas Warner released a ported version of the game, as well as its reconstructed source code in his honour in 2004.After the Nazis apprehend an American spy, William "B.J."