Not Just A Game, by John Menichelli (2000)

Nucleus of the Ruby, by Keith Somers (1987)

Office Ahoy!, by Storme Winfield (2003)

Oklib's Revenge, by Sue Medley (1992)

Once on a Windswept Night by ebi-hime 2016

Online Simulator by GOT EEM HA (me) 2019

Ord. by Mujo Games, Stuffed Wombat 2019

Our Lady of Pyres by James Chew, Failbetter Games 2016

Outbreak Day 2 : The journey begins by Andre Berthiaume 2014

Ozzipalooza by Tim Bednall, Elizabeth Merlot, Dan Laurence, Alycia O'Sullivan 2016

Parásito by Textagames 2022

Pasión de hortalizas by Mery 2022

PATHOGENS: An Interactive Zombie Survival Gamebook by James Schannep 2016

The Pentecost Predicament by Richard Cobbett, Failbetter Games 2016

The Persona Engine by Cash DeCuir, Failbetter Games 2016

Pimania by Mel Croucher, Christian Penfold, Chris Edwards 1982

The Planet Is Exploding! by Christian Simmers 2019

Pleasure Palace, by Storme Winfield (2003)

A Plus Adventure, by Slyme Pit (2013)

The Price of Loss by Kevin Snow, Failbetter Games 2018