Aion

VS

Star Wars: The Old Republic

Aion is a fantasy MMORPG released by NCsoft in 2008. It had significant popularity in its early years, especially in Asia, but has seen a steady decline in Western markets due to age, competition, and lack of major expansions. NCsoft still supports the game and runs classic servers, which help retain a niche but passionate player base. Current daily active players are likely in the low thousands globally, maintained by a dedicated core community.

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.