Nobunaga's Ambition Online: Chapter of Heaven

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Star Wars: The Old Republic

Nobunaga's Ambition Online is a long-running Japanese MMORPG, launched in the early 2000s and periodically updated with new chapters. Its player base is niche and primarily Japanese, with a stable but small community. While not popular globally, its longevity and support by Koei Tecmo help retain several hundred to a few thousand daily players.

Star Wars: The Old Republic is a classic MMORPG launched in 2011 by BioWare and published by Electronic Arts. Although it had a large player base at launch, the numbers have declined over the years, especially since it's now over a decade old and several expansions have come and gone. However, it still maintains a loyal core community thanks to regular content updates and the strength of the Star Wars IP. As an MMORPG, it does meet the MMO criteria with a persistent online world and the ability to interact with thousands of players simultaneously.