Jstris

VS

Ark: Survival Evolved

Jstris is a browser-based multiplayer puzzle game similar to Tetris, popular among the online speedrunning and competitive stacking communities. While niche, it has a steady userbase due to its low barrier to entry and prominence in the 'Tetris' competitive scene. Given its age (launched 2014) and ongoing competitive presence, a daily player base of around 3,000 is a reasonable conservative estimate.

Ark: Survival Evolved is a popular survival sandbox game released in 2017 and available on nearly all platforms. Its peak was several years ago, but it maintains a stable community thanks to official and community servers, modding, and occasional event content. While numbers have declined since launch, the game still sees tens of thousands of daily players across PC and consoles, especially due to its ongoing updates and active mod scene. However, it is not an MMO as it does not feature a single, large-scale persistent world—servers are capped and players are sharded.