Sleuth - Public Beta, by Scott Greig and Mauricio Díaz (2001)

Slouching Towards Bedlam by Star Foster and Daniel Ravipinto 2003 (201 ratings)

Snow Dogs Trilogy part 1: Crack City by Garry Cappuccini 1989

So, You've Never Played a Text Adventure Before, Huh? by Ryan Veeder 2014 (16 ratings)

Soft Earth by Jon Sorce 2018 (4 ratings)

Someone's Watching by DandyuBaby 2013

Something In The Night by AnssiR66 2017 (4 ratings)

Somewhere - The Vault Papers by Aniki 2018 (1 rating)

Somewhere, Somewhen, by Jim MacBrayne (2021)
(6 ratings)

Southern Monsters by Bravemule; Pinnguaq

SPACE ADVENTURE CHAPTER I: THE DASTERDLY JAGLINS by GAGE HOLSTON 2013

A Spy's Escape by Leslie Calhoun 2021

The Squat Machine by Roo Pescod and Hamish Adams 2021

Steeped in Honey by Mary Goodden, Failbetter Games 2017

Stick it to the man, by Brendan Barnwell (2001)
(1 rating)

The Storm by Stephane F. 2019 (5 ratings)

Stugan, by Viggo Eriksson, Kimmo Eriksson and Olle E Johansson (1986)

Sunday Afternoon, by Christopher Huang (as Virgil Hilts) (2012)
(19 ratings)

Switcheroo by The Marino Family 2015 (8 ratings)

Symple Home Renovations, by Rocketnia (2016)