End Game Interactive

End Game Interactive, Inc. (ENDGAME) is a Bellevue, Washington video game studio founded by Yang C. Liu and Luke Zbihlyj that builds free-to-play, cross-platform real-time multiplayer titles for browser, mobile and desktop — including ZombsRoyale.io, Zombs.io, Spinz.io, BOPZ.io, Fishington, Betrayal, Super Squad, Match City Puzzle and Fate Arena. The studio describes itself as technology-driven, running small agile teams against a proprietary "ENDGAME ENGINE" alongside Unity and Unreal, with AI-assisted pipelines for asset creation, animation, sound design and voicelines. It raised a $3M seed round in 2020 from Makers Fund, Supercell, Kevin Lin and Scooter Braun among others. ENDGAME is a consumer game publisher: as of this profile it operates no public developer program, no documented API, and no machine-readable contract on any of its web properties.

End Game Interactive is profiled on the APIs.io network. Tagged areas include Company, Gaming, Video Games, Game Development, and Interactive Entertainment.

End Game Interactive’s developer surface includes support and 9 more developer resources.

10.8/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-08-17 · rubric v0.11.0
0 APIs
CompanyGamingVideo GamesGame DevelopmentInteractive EntertainmentMultiplayerMobile GamesConsumer

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-17 · rubric v0.11.0
Composite quality — 10.8/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 0.9 / 20
Commercial Clarity 4.2 / 20
Operational Transparency 0.0 / 13
Governance 0.0 / 12
Discoverability 5.7 / 10
Agent readiness — 0/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/end-game-interactive: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

End Game Interactive Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Access & Security 1

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 2

Pricing, plans, and the legal terms of use

Company 4

The organization behind the API

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: end-game-interactive
name: End Game Interactive
description: 'End Game Interactive, Inc. (ENDGAME) is a Bellevue, Washington video game studio founded by Yang C. Liu and
  Luke Zbihlyj that builds free-to-play, cross-platform real-time multiplayer titles for browser, mobile and desktop — including
  ZombsRoyale.io, Zombs.io, Spinz.io, BOPZ.io, Fishington, Betrayal, Super Squad, Match City Puzzle and Fate Arena. The studio
  describes itself as technology-driven, running small agile teams against a proprietary "ENDGAME ENGINE" alongside Unity
  and Unreal, with AI-assisted pipelines for asset creation, animation, sound design and voicelines. It raised a $3M seed
  round in 2020 from Makers Fund, Supercell, Kevin Lin and Scooter Braun among others. ENDGAME is a consumer game publisher:
  as of this profile it operates no public developer program, no documented API, and no machine-readable contract on any of
  its web properties.'
url: https://raw.githubusercontent.com/api-evangelist/end-game-interactive/refs/heads/main/apis.yml
image: https://end.gg/asset/image/logo-card.png
x-type: company
x-source: harvest:secondary-market
x-tier: stub
x-tier-reason: harvest
specificationVersion: '0.20'
created: '2026-08-12'
modified: '2026-08-12'
tags:
- Company
- Gaming
- Video Games
- Game Development
- Interactive Entertainment
- Multiplayer
- Mobile Games
- Consumer
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/end-game-interactive-domain-security.yml
- type: Website
  url: https://end.gg/
- type: About
  url: https://end.gg/about
- type: Support
  url: https://end.gg/contact
- type: TermsOfService
  url: https://end.gg/terms
- type: PrivacyPolicy
  url: https://end.gg/privacy
- type: Press
  url: https://end.gg/press
- type: Careers
  url: https://end.gg/careers
- type: SecondaryMarket
  url: https://forgeglobal.com/end-game-interactive_stock/
- type: LLMsTxt
  url: llms/end-game-interactive-llms.txt
x-enrichment:
  date: '2026-08-12'
  status: minimal
  artifacts_added: 3
  pass: local-v1
x-coverage:
  state: none
  reason: no-developer-program
  detail: End Game Interactive is a consumer game publisher whose only web properties are the end.gg marketing site and its
    game clients — api.end.gg, developer.end.gg and docs.end.gg do not resolve at all, and end.gg has no developer, API or
    documentation route in its navigation.
  evidence:
  - url: https://end.gg/
    status: 200
  - url: https://end.gg/games
    status: 200
  - url: https://end.gg/openapi.json
    status: 404
  - url: https://end.gg/graphql
    status: 404
  - url: https://end.gg/llms.txt
    status: 404
  - url: https://end.gg/.well-known/agent-card.json
    status: 404
  - url: https://zombsroyale.io/openapi.json
    status: 404
  checked: '2026-08-12'