Supercell (Clash of Clans, Brawl Stars, Clash Royale, Hay Day, Boom Beach, Squad Busters) is a Finnish free-to-play mobile game studio operated by Supercell Oy, headquartered in Helsinki. Its own privacy policy (effective March 11, 2026) discloses collection of device and advertising identifiers (IDFA/GAID), IP-derived approximate location, cookies and similar technologies, and states these are used to serve behaviorally targeted in-game advertising; it also discloses combining and sharing collected data with third-party advertising partners for interest-based advertising across their networks. Supercell's own pages (privacy policy, about-us, U.S.-state disclosure page) did not disclose its parent-company structure in text this research could fetch; Wikidata's structured record for Supercell (an approved CC0 source) states Tencent is 'owned by'/parent organization with an ownership proportion of roughly 0.8-0.84, sourced to a 2020 press citation. The policy commits to administrative, technical and physical security safeguards and a data-retention/de-identification practice; no independent audit, breach notice, or regulator action specific to Supercell was found in this research.
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Supercell's privacy policy states it automatically collects players' IP addresses and mobile device identifiers (such as device or advertising ID), device/OS/browser information, mobile carrier data, cookie-collected data, and approximate location derived from IP address.
Wikidata's structured record for Supercell (Q1438774) lists Tencent as 'owned by' with an ownership proportion of 0.843, and separately as 'parent organization or unit' since June 2016 with a proportion of 0.8, each referenced to a cited source; this is an approved CC0 registry source used because Supercell's own privacy policy, about-us and legal-documents pages did not surface parent-company text fetchable in this research.
Supercell's own privacy policy self-identifies the controlling entity as Supercell Oy, a Finnish company at Jätkäsaarenlaituri 1, FI-00180 Helsinki, Finland, with a named Data Privacy Officer contact channel, but the policy itself does not name any parent company or ownership chain beyond this operating entity.
The policy states Supercell may combine and share data collected about players with third-party advertising partners, who may use it (and similar data from other services) to deliver targeted advertisements when users visit other services within their networks, a practice the policy itself labels 'interest-based advertising' / 'online behavioral advertising.'
The policy states Supercell continuously develops and implements administrative, technical and physical security measures to protect player data from unauthorized access, loss, misuse or alteration, and describes a data-retention practice of periodically de-identifying unused accounts and unnecessary data; no independent audit, breach notice, or regulator action was cited.
The policy states Supercell collects advertising identifiers (IDFA, GAID), vendor identifier, IP address and other device identifiers to display and personalize in-game ads and serve behaviorally targeted advertising, and separately states it may combine and share collected data with third-party advertising partners for interest-based/behavioral advertising across their networks.