Fringeworthy d20 Edition
Tri Tac Games: d20 Modern 1 (2009 PDF)
Tri Tac Games: d20 Modern 1 (2017 )

Fringeworthy
Tri Tac Games: Fringeworthy 1 (1982 )
Tri Tac Games: Fringeworthy 1 (2002 PDF)

Portals and Pathways
Tri Tac Games: Fringeworthy 1 (1982 )

Fringeworthy
Tri Tac Games: Fringeworthy 2 (1984 )

Invasion U.S.
Tri Tac Games: Fringeworthy 2 (1984 )

Rogue 417
Tri Tac Games: Fringeworthy 2 (1984 )

Fringeworthy
Tri Tac Games: Fringeworthy 3 (1992 )
Tri Tac Games: Fringeworthy 3 (2006 PDF)

Fringeworthy Complete
Tri Tac Games: Fringeworthy 3 (2006 PDF)

Rogue 417 and Invasion US
Tri Tac Games: Fringeworthy 3 (2001 PDF)

Portals
Tri Tac Games: Generic 1 (1995 )
Tri Tac Games: Generic 1 (2001 PDF)
Tri Tac Games: Generic 1 (2007 PDF)
Tri Tac Games: Generic 1 (2014 PDF)
Tri Tac Games: Generic 1 (2017 )

Portals II
Tri Tac Games: Generic 1 (2007 PDF)
Tri Tac Games: Generic 1 (2014 PDF)

Portals III
Tri Tac Games: Generic 1 (2014 PDF)

Weirdzone
Tri Tac Games: Generic 1 (1985 )

Hardwired Hinterland
Tri Tac Games: Tri Tac EZ 1 (2007 PDF)
Tri Tac Games: Tri Tac EZ 1 (2019 )

Weirdzone: The Day Everything Went to Hell
Tri Tac Games: Tri Tac EZ 1 (2010 )