Delta Green: Dark Theatres
Tags: 1920s, 1940s, Delta Green, Innsmouth, Karotechia, Nazis, Vietnam, Vietnam War, World War II
Armitage House: Fiction (1999 )
Armitage House: Fiction (2001 TPB)
Pagan Publishing: Fiction (2012 TPB)

Grunt
Tags: 1960s, 1970s, Vietnam
Zozer Games: Grunt 1 (2011 PDF)

The Fall of Delta Green
Tags: 1960s, Delta Green, United States, Vietnam
Pelgrane Press: GUMSHOE 1 (2018 Hardcover)

Tour of Darkness
Tags: Vietnam
Pinnacle: Savage Worlds 1 (2004 Hardcover)