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- Jadeclaw - edited by Sanguine Productions Ltd
- Jags
- JailLords - Are You a Jail Lord or a Jail Fish?
- James Bond 007, Role-Playing in Her Majesty's Secret Service was released in 1983, by Victory Games, a branch of Avalon Hill.
- Jorune (or Skyrealms of Jorune)
- Jovian Chronicles by Dream Pod 9
- Judge Dredd: The Role-playing Game by Games Workshop, another by Mongoose Publishing
- Justice, Inc. by Hero Games - 1930s Pulp fiction oriented adventure
- Justifiers by StarChilde Publications - Play as human/animal hybrids (Betas) that are owned by the Corporation; locate new resources, eliminate threats, and buy your freedom.
Read more about this topic: List Of Role-playing Games By Name