Z Day: Hearts of Heroes

Overview

Franchise

Unknown

Release date

• iOS — August 7, 2018
• Android — 2018

Developer

• FunPlus

Publisher

Unknown

Age rating

• GRAC 19+ — Ages 19+ · IGDB mirror
• App Store 12+ — age 12+ · App Store
• Google Play Everyone 10+ — age 10+ · Google Play

Content warnings

Not specified by the storefront

Interaction modes

Single-playerMultiplayer

Session capacity

Unknown

Access model

• Free to play

Monetization

Unknown

Storefront price

Unknown

Store contents

Unknown

Languages

English

Classification

Genres

RPGStrategy

Evidence:RPG — 2 excerptsStrategy — 3 excerpts

Setting and subject matter

Unknown

Camera

Isometric

Evidence:Isometric — 1 excerpt

Visual style

Unknown

Combat system type

Unknown

Scale

Ratings

• players71% · 123.2KGoogle Play, worldwide · Google Play
• players83.2% · 6KApp Store, US storefront · App Store

Last update

• September 4, 2026 · Google Play

Mechanics

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.

• Clan system

  Limited View implementation

  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

  The listing names Alliance vs Alliance competitions but does not describe membership or the structure of the alliances themselves.

  Access cost:

  Unknown

  Product horizon:

  Unknown

  Participants:

  Unknown: the reviewed official material does not establish whether membership attaches to an account, character, server identity, or another unit.

  Participation format:

  Unknown: the reviewed official material does not establish how individual actions aggregate into a persistent collective outcome.

  Depth:

  at most 2 of 5 — Utility layer

  What limits the result:

  Governance and permissions: Level 2 is an upper bound because the cited evidence does not establish governance; a stronger level was not inferred.

  Partial presence exception:

  Only the cited organizational or event contour is established; the evidence does not support a broader persistent clan-system contour.

  Core experience relevance:

  Unknown

  Observed adoption:

  Unknown— No compatible count of unique mechanic participants and active eligible players was found for the same observation window.

  Structural expectation:

  Unknown

  Player dependency:

  Unknown

  Change direction:

  Not assessed

  Assessment type:

  Unknown

  Confidence:

  Medium— The cited material supports the recorded limited classification and each linked substantive claim. Unstated adoption, dependency, and functions remain unknown.

  Component scores (0–4):

  • Identity and communication1 of 4 — The cited evidence supports score 1 for identity and communication; criteria not stated by the source were not inferred.
  • Governance and permissionsNot assessed — The targeted official-source review did not establish governance; source silence was not converted to score 0.
  • Shared progressionNot assessed — The targeted official-source review did not establish shared progression; source silence was not converted to score 0.
  • Shared assets and economyNot assessed — The targeted official-source review did not establish shared assets and infrastructure; source silence was not converted to score 0.
  • Collective goals and content2 of 4 — The cited evidence supports score 2 for collective goals; criteria not stated by the source were not inferred.
  • Competition, territory, and politics2 of 4 — The cited evidence supports score 2 for competition and territory; criteria not stated by the source were not inferred.
  • Game integration2 of 4 — The cited evidence supports score 2 for game integration; criteria not stated by the source were not inferred.

  research draft · methodology 0.4 · September 2, 2026

• Player economy

  Unknown View implementation

  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 Z Day: Hearts of Heroes, the reviewed FunPlus International AG material does not establish whether the observed iOS product line contains in-game transfer of value between players with rules affecting allocation or price.

  Access cost:

  Unknown

  Product horizon:

  Unknown

  Depth:

  Unknown

  Core experience relevance:

  Unknown

  Observed adoption:

  Unknown— The checked mechanic-specific material provides neither a compatible participant numerator, an active-audience denominator, nor source coverage sufficient to estimate adoption.

  Structural expectation:

  Unknown

  Player dependency:

  Unknown

  Change direction:

  Not assessed

  Assessment type:

  Unknown

  Confidence:

  Insufficient data— The reviewed FunPlus International AG material is insufficient to establish presence or absence. Silence was not treated as absence.

  research draft · methodology 0.2 · September 2, 2026

• Territory control

  Unknown View implementation

  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.

  Access cost:

  Unknown

  Product horizon:

  Unknown

  Depth:

  Unknown

  Core experience relevance:

  Unknown

  Observed adoption:

  Unknown— Adoption reach is unmeasured: primary sources provide neither unique participants nor a compatible active-audience denominator.

  Structural expectation:

  Unknown

  Player dependency:

  Unknown

  Change direction:

  Unknown

  Assessment type:

  Unknown

  Confidence:

  Insufficient data— On 2026-09-02, official-domain mechanic-specific searches for Z Day: Hearts of Heroes did not yield indexed primary evidence resolving Presence. Secondary sources were excluded.

  research draft · methodology 0.3 · September 2, 2026

• Competitive PvP

  Limited View implementation

  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.

  Access cost:

  Unknown

  Product horizon:

  Unknown

  Depth:

  at most 1 of 5 — Casual matches

  What limits the result:

  Rating and ladder: Component rating_ladder remains Unknown after mechanic-specific research; the next level’s mandatory condition is not satisfied.

  Partial presence exception:

  Evidence establishes only the cited part of structured PvP; the missing cross-match or rules boundary was not inferred.

  Core experience relevance:

  Unknown

  Observed adoption:

  Unknown— Adoption reach is unmeasured: primary sources provide neither unique participants nor a compatible active-audience denominator.

  Structural expectation:

  Unknown

  Player dependency:

  Unknown

  Change direction:

  Unknown

  Assessment type:

  Unknown

  Confidence:

  Medium— 1 primary URL was reviewed on 2026-09-02. Each populated claim is bounded by its exact excerpt; unresolved values remain Unknown.

  Component scores (0–4):

  • Competitive formats1 of 4 — Score 1 for structured formats is bounded by the cited official claim: “Competitions! More than PvP, join the Region vs Region, Alliance vs Alliance, …”
  • MatchmakingNot assessed — Primary evidence did not resolve opponent matchmaking; retained as Unknown.
  • Rating and ladderNot assessed — Primary evidence did not resolve a recorded rating or leaderboard; retained as Unknown.
  • Seasons and rewardsNot assessed — Primary evidence did not resolve seasonal competition and rewards; retained as Unknown.
  • Competitive integrityNot assessed — Primary evidence did not resolve competition-integrity controls; retained as Unknown.
  • Skill expressionNot assessed — Primary evidence did not resolve skill differentiation; retained as Unknown.
  • Game integrationNot assessed — Primary evidence did not resolve links to other game loops; retained as Unknown.

  research draft · methodology 0.3 · September 2, 2026

• Live service and updates

  Unknown View implementation

  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 Z Day: Hearts of Heroes within the 2025-09-02 to 2026-09-02 window. Silence was not classified as absence.

  Access cost:

  Unknown

  Product horizon:

  Unknown

  Depth:

  Unknown

  Core experience relevance:

  Unknown

  Observed adoption:

  Unknown— The checked mechanic-specific material provides neither a compatible participant numerator, an active-audience denominator, nor source coverage sufficient to estimate adoption.

  Structural expectation:

  Unknown

  Player dependency:

  Unknown

  Change direction:

  Not assessed

  Assessment type:

  Unknown

  Confidence:

  Insufficient data— A mechanic-specific primary source was checked, but it did not establish both required criteria or an explicit negative statement.

  Component scores (0–4):

  • Release cadenceNot assessed
  • Release announcementsNot assessed
  • Content scope and typeNot assessed
  • Seasonal structureNot assessed
  • Event calendarNot assessed
  • Roadmap transparencyNot assessed
  • Response to playersNot assessed
  • Game integrationNot assessed

  research draft · methodology 0.3 · September 2, 2026

• Character progression

  Unknown View implementation

  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 Z Day: Hearts of Heroes. Silence was not classified as absence.

  Access cost:

  Unknown

  Product horizon:

  Unknown

  Depth:

  Unknown

  Encounter mode (record 1):

  Unknown— The checked source does not establish a specific player encounter contour.

  Progression role dimension in an encounter (record 1):

  Unknown— The source does not establish progression effects for either gear-and-stats or roster-and-roles.

  Progression role in an encounter (record 1):

  Unknown— Normalization, advantage, or a horizontal progression role in an encounter is not established.

  Core experience relevance:

  Unknown

  Observed adoption:

  Unknown— The checked mechanic-specific material provides neither a compatible participant numerator, an active-audience denominator, nor source coverage sufficient to estimate adoption.

  Structural expectation:

  Unknown

  Player dependency:

  Unknown

  Change direction:

  Not assessed

  Assessment type:

  Unknown

  Confidence:

  Insufficient data— A mechanic-specific primary source was checked, but it did not establish both required criteria or an explicit negative statement.

  Component scores (0–4):

  • Path length and structureNot assessed
  • Progression axesNot assessed
  • Specialization choiceNot assessed
  • Role of equipmentNot assessed
  • Progression sourcesNot assessed
  • Progress persistence and carry-overNot assessed
  • Game integrationNot assessed

  research draft · methodology 0.3 · September 2, 2026