
Yu-Gi-Oh! Master Duel
Strategy, Simulation, Card and board games, CCG

Card and board games
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ScaleSource does not publish total online
Key game systems from the Mechanics Catalog. Assessment axes are independent and are not combined into a single score. An unassessed mechanic is unknown, not absent.
A persistent player organization created or recognized by the game itself, with a stable membership, a life beyond one session, a shared identity, functions, and goals.
Assessment scope: iOS
For Chess for Kids: Play & Learn, the reviewed Chess.com, LLC material does not establish whether the observed iOS product line contains a persistent in-game player organization with membership, identity, and collective action.
research draft · methodology 0.4 · September 2, 2026
An in-game system where player decisions materially influence at least part of the production, supply, distribution, or price of in-game value.
Assessment scope: iOS
For Chess for Kids: Play & Learn, the reviewed Chess.com, LLC material does not establish whether the observed iOS product line contains in-game transfer of value between players with rules affecting allocation or price.
research draft · methodology 0.2 · September 2, 2026
A system where players or organizations capture, hold, and use parts of the game world with lasting consequences.
Assessment scope: iOS
Official-source search did not resolve transferable, contestable ownership that persists beyond one session for this product boundary. Silence was not treated as absence.
research draft · methodology 0.3 · September 2, 2026
Structured competition between players with rules and a measurable outcome, usually including skill-based matchmaking.
Assessment scope: iOS
Official evidence confirms only part of the structured PvP boundary: structured formats. Missing conditions were not inferred.
Component scores (0–4):
research draft · methodology 0.3 · September 2, 2026
A regular rhythm of meaningful updates, including seasons, patches, events, and a roadmap that supports a long product life.
Assessment scope: iOS
The targeted source check did not establish dated substantive releases for Chess for Kids: Play & Learn within the 2025-09-02 to 2026-09-02 window. Silence was not classified as absence.
Component scores (0–4):
research draft · methodology 0.3 · September 2, 2026
A system for long-term character or account development through levels, skills, equipment, and specializations.
Assessment scope: iOS
The targeted source check did not establish persistent cross-session progression that changes gameplay capabilities in Chess for Kids: Play & Learn. Silence was not classified as absence.
Component scores (0–4):
research draft · methodology 0.3 · September 2, 2026