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Online action game

Monster Madness Online

Monster Madness Online was a free-to-play cross-platform action shooter from Nom Nom Games (a Trendy Entertainment studio, makers of Dungeon Defenders) featuring co-op PvE missions against a Martian invasion and 16-player PvP battlegrounds; the game is no longer active, though its exact closure date is unconfirmed.

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Play anywhere

Platform availability

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WindowsRecordedmacOSRecordedLinuxRecorded
Browser
AndroidRecordediOSRecorded
PlayStation
Xbox

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

Status
Historical
Business model
Free-to-play
Genre
Online action game
Release
—
Platforms
Not yet verified
Developer
Nom Nom Games (Trendy Entertainment)
Publisher
Trendy Entertainment
Profile
Full
Visual playstyle profile

MMO DNA

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

PvECombat focusPvP

Both PvE co-op missions and 16-player PvP battlegrounds are core to the design

SoloPlay styleGroup

Playable solo or in 4-player co-op missions, with separate team-based PvP

StructuredWorld structureSandbox

A structured, mission-driven world built around an online hub

TargetedCombat feelAction

Fast, skill-based dodge-and-shoot combat

HousingNot confirmedCraftingConfirmedTradingConfirmedControllerNot confirmedPvEConfirmedPvPConfirmed
Player fit

Why you might like it

  • An online action game with a chaotic 'monster madness' framing, appealing to players who want fast-paced horde-style combat.
  • PvE-focused play is confirmed, suiting players who prefer cooperative monster-slaying over structured questing.
  • Its energetic naming suggests an arcade-like, high-intensity action feel.
Before you play

Things to consider

  • This entry is a catalog-status stub — independent, detailed coverage was not found during research.
  • Current server status and population are unconfirmed; verify before investing time.
  • Reliable gameplay imagery was not available during the latest media review.
Transparency

Research record

Last checked
2026-09-09
Profile depth
Full
Source note
MMORPG.com / OnRPG / F2PG listings
No direct official link verified in the current record.
Profile verification

What MMOFinder has checked

5/6documented areas
  • Gameplay featuresDetailed feature verification is not yet complete.Unavailable
  • Gameplay mediaTwo source-attributed gameplay images are recorded.Verified
  • Source trail2 linked sources are recorded for review.Verified
  • Last reviewedCatalog fields reviewed Aug 16, 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

Monster Madness Online relationship map

Follow verified catalog signals to another world.

Current profileMonster Madness OnlineStart here
Combat matchWarhammer: End Times - VermintideBoth cataloged with Not yet verifiedGenre & settingTriad WarsBoth cataloged as Online action gameShared featuresThe Hidden OnesCatalog features have since divergedBusiness modelSplash FightersBoth recorded as Not yet verified

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

Game history

Monster Madness Online timeline

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

  1. —
    Released

    MMOFinder records Monster Madness Online as released in —.

  2. Current
    Catalog status

    Historical

  3. 2026-08-16
    Research checked

    Core catalog fields were reviewed for this profile.

Terms on this profile
Media

Monster Madness Online screenshots & gameplay

Two verified gameplay screenshots for a quick look at the game in action.

Source: YouTube gameplay video

Gameplay, availability and research notes

Monster Madness Online is cataloged by MMOFinder as a Action shooter MMO. Its recorded status is Closed; described in past tense by multiple outlets with no evidence of continued operation, though no exact date was found, while the business model is listed as Free-to-play. MMOFinder records its release year as —. Current platform data lists Windows, macOS, Linux, Android, iOS, Web Browser. 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 Skill-based dodge-and-shoot combat against waves of enemies, with 4-player co-op missions and 16-player PvP battlegrounds. Discovery tags on the record include Online Game, Catalog. The developer field lists Nom Nom Games (Trendy Entertainment), and the publisher field lists Trendy Entertainment. Together these catalog fields help distinguish this title from similarly named games and provide useful inputs for MMOFinder’s filtering and comparison tools.

The Similar Games section below is generated from overlapping genre, platform, business-model and gameplay-tag signals. For a wider search, use Find an MMO, browse categories and genre hubs, or open Compare to review game profiles side by side.

Continue discovering

If you like Monster Madness Online…

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

Why it connectsCosmic LeagueShared online game, catalog classification signals, though genre labels differ (Online action game vs. Session-based arena shooter (not a persistent MMO)).Session-based arena shooter (not a persistent MMO) · Free-to-playWhy it connectsGiganticThe same online action game classification; shared online game, catalog signals.Online action game · Free-to-playWhy it connectsInfinityShared online game, catalog classification signals, though genre labels differ (Online action game vs. Fantasy hack-and-slash action MMO).Fantasy hack-and-slash action MMO · Free-to-playWhy it connectsIslands of WarThe same online action game classification; shared online game, catalog signals.Online action game · Not yet verifiedWhy it connectsKingshuntShared online game, catalog classification signals, though genre labels differ (Online action game vs. MOBA/tower-defense hybrid).MOBA/tower-defense hybrid · Free-to-playWhy it connectsAnthemShared shooter, action classification signals, though genre labels differ (Action shooter MMO vs. Shared-world action shooter).Shared-world action shooter · Buy-to-play
Community

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