The Lord of the Rings is a role-playing game (RPG) based on the eponymous series of fantasy books written by J.R.R. Tolkien. There are several versions of the role-playing game set in this universe, with the most notable probably being the one published by Iron Crown Enterprises (ICE) as Middle-earth Role Playing (MERP) and more recently by Cubicle 7 as The One Ring Roleplaying Game. 

Fidelity to Tolkien's Universe 

These role-playing games strive to remain faithful to Tolkien's expansive and detailed world, including locations, cultures, languages, and histories from the books.

Character Creation and Races 

Players create characters by choosing from various races and classes available in Tolkien's universe, such as Humans, Elves, Dwarves, and Hobbits.

Rule System 

Each version of the game has its own rule system, but generally include mechanics for combat, magic, and exploration. These systems are often designed to capture the spirit and tone of the books.

Narrative and Adventures 

DMs guide players through adventures that can be either based on the events of the books or entirely original, allowing players to explore parts of Tolkien's world not detailed in the books.

Atmosphere and Themes 

The Lord of the Rings role-playing games emphasize themes of courage, friendship, and the struggle against evil, reflecting the central themes of Tolkien's books.

Cultural Impact and Popularity 

Thanks to the popularity of the books and films, these role-playing games have attracted a wide audience, further spreading the love for Tolkien's universe.

Variations and Adaptations 

Different publishers have created their versions of "The Lord of the Rings" role-playing game, each with a slightly different approach, offering players multiple ways to experience adventures in Middle-earth.