404- Life not Found (Beta) by Evan Derby 2011 (4 ratings)

43, by Jack Welch (2010)
(1 rating)

4K Adventure, by John Metcalf (1995)
(7 ratings)

The 4th Break Up, by Papp Róbert (2018)
(1 rating)

4x4 Archipelago by Agnieszka Trzaska 2021 (18 ratings)

4x4 Galaxy by Agnieszka Trzaska 2020 (12 ratings)

5 kōans, by Greg Karber (2015)
(1 rating)

5 Minutes to Burn Something! by Alex Butterfield 2015 (18 ratings)

50 Shades of Jilting by Rowan Lipkovits (as Lankly Lockers) 2014 (12 ratings)

500 Apocalypses by Phantom Williams 2016 (24 ratings)

5e Arena by Seth Jones 2022 (3 ratings)

5K Adventure, by Paul Allen Panks (2004)

6-Million Dollar Tricycle Co-op! by Solon 2013 (1 rating)

69,105 Keys by David Welbourn 2009 (77 ratings)

69105 More Keys, by Andrew Schultz (2019)
(4 ratings)

6Quest - a new brand of interactive fiction, by Milán Bukovics (2015)
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77 Verbs by MathBrush (as Prismatik) 2020 (16 ratings)

7th Sea: A Pirate's Pact by Danielle Lauzon 2018 (4 ratings)

8 Shoes on the Shelves by Marc Duane 2017 (8 ratings)

80 DAYS by inkle, Meg Jayanth 2014 (74 ratings)