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Open-Source Vassal-Conquest Browser MMO

Dominus

Dominus is a free-to-play, open-source browser MMO strategy game built on the Meteor web platform. Players command a castle, conquer neighboring players' castles to make them vassals, and try to climb the vassal hierarchy to become the game's sole Dominus, with games running from a day to a month as the shared map grows. It is a community-maintained hobby project rather than a commercial studio release, and no evidence of recent (2025–2026) activity was found during this research pass.

Full profileMMOCatalog
Status uncertainCatalog signalHow signals work
Play anywhere

Platform availability

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Windows
macOS
Linux
BrowserRecorded
Android
iOS
PlayStation
Xbox

Highlighted platforms are confirmed in MMOFinder’s current profile. Dimmed platforms have no confirmed listing.

Status
Current live status uncertain — a small, open-source browser strategy game with no confirmed recent activity found
Business model
Free to play
Genre
Open-source browser MMO strategy (vassal-conquest)
Release
2014
Platforms
Browser
Developer
Independent/open-source (community-maintained, originally by developer "dan335" on GitHub)
Publisher
Self-published (dominusgame.net)
Profile
Full
Visual playstyle profile

MMO DNA

A visual fingerprint built from MMOFinder’s current verified catalog fields—not a review score.

PvECombat focusPvP

PvP-only by design

SoloPlay styleGroup

Solo and group play are roughly balanced

StructuredWorld structureSandbox

Leans sandbox over structured

TargetedCombat feelAction

Targeted, tactical combat is the dominant signal

HousingNot confirmedCraftingNot confirmedTradingNot confirmedControllerNot confirmedPvENot confirmedPvPConfirmed
Player fit

Why you might like it

  • Fans of slow-paced, check-in-a-few-times-a-day browser strategy games built around alliances and long-term planning rather than twitch reflexes.
  • Players curious about small, open-source MMO projects — the game's full source is published on GitHub.
  • A discovery-trail stop for the vassal/conquest browser-strategy niche alongside similarly themed titles.
Before you play

Things to consider

  • As a small, volunteer-maintained project, no confirmed recent (2025–2026) activity or player-count information could be found — treat its live status as uncertain rather than confirmed.
  • Don't confuse this with the unrelated cancelled Pitchblack Games sci-fi MMORPG that also went by the name "Dominus" around 2011–2012, or the separate short-match Steam game "Dominus 2."
Transparency

Research record

Last checked
2026-09-08
Profile depth
Full
Source note
Batch 466 web research — developer, publisher, platform, business model and lifecycle status independently cross-checked
Verified source
Profile verification

What MMOFinder has checked

5/6documented areas
  • Gameplay featuresStructured gameplay fields were source-checked for this profile.Verified
  • 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 25, 2026.Verified

Coverage measures documentation completeness—not game quality, popularity or an endorsement.

How verification works

Game details can change. MMOFinder separates verified catalog fields from information that has not yet been confirmed.

Explore connections

Dominus relationship map

Follow verified catalog signals to another world.

Current profileDominusStart here
Combat matchScarlet LegacyBoth cataloged with Not yet verifiedGenre & settingRagnarok Online PrimeAlternative profile where no exact genre match is recordedShared featuresROHAN 2Catalog features have since divergedBusiness modelPirate King OnlineBoth recorded as Not yet verified

Connections use current MMOFinder catalog fields—not review scores or paid placement.

Game history

Dominus timeline

A concise timeline built only from dates and lifecycle fields recorded in MMOFinder.

  1. —
    Released

    MMOFinder records Dominus as released in —.

  2. Current
    Catalog status

    Released / active open-source browser strategy game

  3. 2026-08-25
    Research checked

    Core catalog fields were reviewed for this profile.

Terms on this profile
Media

Dominus screenshots & gameplay

Phase 4 final media decision: needs manual review. Research did not establish a direct source-confirmed asset strongly enough for safe insertion.

Gameplay, availability and research notes

Within MMOFinder's catalog, Dominus is classified as a Open-source browser MMO strategy (vassal-conquest). Dominus is a free-to-play, open-source browser MMO strategy game built on the Meteor web platform. Players command a castle, conquer neighboring players' castles to make them vassals, and try to climb the vassal hierarchy to become the game's sole Dominus, with games running from a day to a month as the shared map grows. It is a community-maintained hobby project rather than a commercial studio release, and no evidence of recent (2025–2026) activity was found during this research pass.

The current lifecycle record is Current live status uncertain — a small, open-source browser strategy game with no confirmed recent activity found. MMOFinder lists Independent/open-source (community-maintained, originally by developer "dan335" on GitHub) as developer and Self-published (dominusgame.net) as publisher. These researched fields feed profile discovery, filters and comparison tools.

This profile was checked against current sources on September 8, 2026. Continue through Similar Games, filter the MMO database, or compare profiles side by side.

Continue discovering

If you like Dominus…

These alternatives share verified genre, platform, access-model or gameplay signals with Dominus. Connections describe catalog overlap rather than a quality ranking.

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Community

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