SOS
State of Survival (SOS) is a free-to-play zombie-apocalypse mobile strategy game from FunPlus's KingsGroup studio, blending base-building, hero-led tower-defense PvE against the Infected, and alliance-based PvP; it remains highly active with over 100 million players and ongoing licensed crossovers.
Platform availability
Highlighted platforms are confirmed in MMOFinder’s current profile. Dimmed platforms have no confirmed listing.
- Status
- Active
- Business model
- Free-to-play
- Genre
- Online survival game
- Release
- —
- Platforms
- Not yet verified
- Developer
- KingsGroup (FunPlus)
- Publisher
- FunPlus
- Profile
- Full
- Official site
- Visit official site ↗
MMO DNA
A visual fingerprint built from MMOFinder’s current verified catalog fields—not a review score.
Both PvE tower-defense against the Infected and alliance PvP raids are core
Built around alliance cooperation to survive and fight together
A structured base-building world with fixed zones and events
Resolved through hero-led tower-defense and base-building rather than direct action
Why you might like it
- A online survival game entry that appeals to players hunting for small, off-the-beaten-path worlds rather than mainstream MMO releases.
- The Historical classification means the game's world and design are preserved on record even though the service is no longer verifiably running.
- Useful as a discovery-trail stop for collectors of older, low-profile online survival game alongside better-documented genre peers.
Things to consider
- Independent coverage of SOS is extremely sparse — no developer, publisher, release date or platform details could be independently confirmed during this research pass.
- No official site, storefront listing or archived press coverage was found, so treat the recorded status as a best-available record rather than a confirmed one.
- Reliable gameplay screenshots were not available; the profile currently uses a placeholder image rather than verified media.
Research record
- Last checked
- 2026-09-09
- Profile depth
- Full
- Source note
- Wikipedia (FunPlus) / official site
What MMOFinder has checked
- Gameplay featuresDetailed feature verification is not yet complete.Unavailable
- Gameplay mediaNo reliable gameplay screenshot is currently available.Unavailable
- Source trailA research source note is recorded, but no direct source URL is currently linked.Partial
- Last reviewedCatalog fields reviewed Aug 16, 2026.Verified
Coverage measures documentation completeness—not game quality, popularity or an endorsement.
How verification worksGame details can change. MMOFinder separates verified catalog fields from information that has not yet been confirmed.
SOS relationship map
Follow verified catalog signals to another world.
Connections use current MMOFinder catalog fields—not review scores or paid placement.
SOS timeline
A concise timeline built only from dates and lifecycle fields recorded in MMOFinder.
- —Released
MMOFinder records SOS as released in —.
- CurrentCatalog status
Historical
- 2026-08-16Research checked
Core catalog fields were reviewed for this profile.
SOS screenshots & gameplay
Phase 4 final media decision: needs manual review. No direct source-confirmed asset met the threshold for safe automatic insertion.
Source: YouTube gameplay video
Gameplay, availability and research notes
SOS is cataloged by MMOFinder as a Zombie-apocalypse mobile strategy MMO. Its recorded status is Active; a top-grossing mobile strategy game from FunPlus's KingsGroup studio with over 100 million players and ongoing crossovers (The Walking Dead, Resident Evil), while the business model is listed as Free-to-play. MMOFinder records its release year as —. Current platform data lists Android, iOS, Windows. The profile keeps uncertain fields explicit so incomplete research is not presented as established game information.
Gameplay metadata currently describes combat or multiplayer structure as Base-building and PvE tower-defense combat against Infected, plus alliance-based PvP raids. Discovery tags on the record include Online Game, Catalog. The developer field lists KingsGroup (FunPlus), and the publisher field lists FunPlus. Together these catalog fields help distinguish this title from similarly named games and provide useful inputs for MMOFinder’s filtering and comparison tools.
To keep exploring, the Similar Games section connects this profile with titles sharing genre, platform, model, or gameplay-tag signals. Players can also find an MMO with filters, browse game categories, or use MMOFinder Compare for a side-by-side view of catalog features.
If you like SOS…
These alternatives share verified genre, platform, access-model or gameplay signals with SOS. Connections describe catalog overlap rather than a quality ranking.
Why it connectsFear the NightShared online game, catalog classification signals, though genre labels differ (Online survival game vs. Online survival sandbox).Online survival sandbox · Buy-to-play (Early Access)
Why it connectsImmuneShared online game, catalog classification signals, though genre labels differ (Online survival game vs. Open-world Survival Sandbox MMO).Open-world Survival Sandbox MMO · Free-to-play
Why it connectsLifelessBoth are part of MMOFinder's catalog, though genre classifications differ (Online survival game vs. Zombie survival MMO).Zombie survival MMO · Free-to-play (Early Access)
Why it connectsNetherShared online game, catalog classification signals, though genre labels differ (Online survival game vs. Persistent-World Survival-Horror Shooter).Persistent-World Survival-Horror Shooter · Buy-to-play (Steam Early Access)
Why it connectsRomeros AftermathShared online game, catalog classification signals, though genre labels differ (Online survival game vs. Zombie Survival MMO).Zombie Survival MMO · Free to Win
Why it connectsDead FrontierShared zombie classification signal, though genre labels differ (Zombie-apocalypse mobile strategy MMO vs. Zombie survival MMORPG).Zombie survival MMORPG · Free-to-play with optional premium purchases
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