Jagex
- Based in
- Cambridge
- Founded
- 1999
Jaw Drop Games
- Based in
- Brighton
- Founded
- 30 April 2020
Johnny Two Shoes
- Based in
- London
- Founded
- August 2007
Joined Up Writing
- Games in the catalogue
- 1
- Country
- United Kingdom
Jumpship
- Based in
- Guildford
- Founded
- 19 January 2017
Just Add Water
- Based in
- Otley
- Founded
- 2006