 Agencia Especial: La Serie Volumen II (2022) |  Alone Against the Dark (Dic 2017) |  Alone Against the Dark - Defying the Triumph of the Ice (1985) |  Alone Against the Flames (2014) |  Alone Against the Frost (Sep 2019) |
 Alone Against the Tide - A Solo Adventure for Call Of Cthulhu 7th Edition (2018) |  Alone Against the Tide - Solitaire Adventure by the Lakeshore (2020) |  Alone Against the Wendigo - Solitaire Adventure in Canada's Wilds (1985) |  Alone On Halloween (1992) |  Amos ocultos (Jun 2002) |
 El amuleto de jade (Nov 2021) |  Antes de la caída (Oct 1999) |  El Antiguo Guerrero (Ago 2021) |  The Apocalypse Machine (Sep 2011) |  Archimedes 7 (2010) |
 Los archivos Arkham (Jun 2016) |  Los archivos Armitage (Nov 2022) |  Arkham Detective Tales (Sep 2009) |  Arkham Detective Tales Extended Edition (Jun 2011) |  The Arkham Evil (1983) |
 The Arkham Gazette #3 (Oct 2015) |  Arkham Now (Dic 2009) |  Arkham Sanitarium (1997) |  Arkham Unveiled, 1st Edition - A New England Haven for Investigators & 4 New Scenarios (1990) |  The Armitage Files (Feb 2010) |