We design and build shared virtual worlds where people play, socialise, create and trade. From a branded Roblox or Fortnite experience to a fully custom 3D world with VR support and an in-game economy, our London-headquartered team takes you from concept to launch and keeps your world growing afterwards.

  • London-headquartered since 2019
  • Unity, Unreal, Roblox and Web3
  • NDA and full IP ownership
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Metaverse games built to keep players coming back

A metaverse game isn't a one-off level. It's a persistent world that players return to, with friends, events, creation tools and things worth collecting. Getting that right takes strong game design, reliable multiplayer infrastructure and a plan for live content after launch.

As a metaverse game development company, we help UK brands, studios and businesses choose the right platform, design the core experience, build the world and run it after launch. We'll also tell you honestly when features like blockchain or NFTs add value, and when they don't.

Our metaverse game development services

Everything needed to plan, build, launch and grow a virtual world.

Custom metaverse worlds

Persistent 3D worlds in Unity or Unreal Engine with exploration, quests, social hubs and user-generated content.

Roblox and Fortnite experiences

Branded games and worlds built on platforms where millions of players already spend their time.

Roblox game development

VR metaverse

Immersive worlds for Meta Quest, PC VR and Apple Vision Pro, with cross-play for desktop and mobile users.

VR game development

Multiplayer and social systems

Real-time networking, voice and text chat, friends, parties, events and moderation tools.

3D avatars and environments

Customisable avatars, characters, worlds, animation and VFX optimised for every target device.

3D game development

In-game economies

Currencies, cosmetics, battle passes and marketplaces designed to be fair, balanced and sustainable.

Web3, NFT and blockchain features

Optional player-owned items, wallets, smart contracts and marketplaces on chains such as Ethereum, Polygon and Solana.

Crypto game development

Virtual events and showrooms

Branded spaces for launches, concerts, exhibitions and product demos.

Live operations

Seasonal content, events, economy tuning, analytics, moderation and server scaling after launch.

Where should your metaverse live?

The platform decision shapes your budget, audience and how much control you have. Here's an honest comparison.

OptionStrengthsTrade-offsBest for
RobloxHuge existing audience, fast to launch, built-in monetisationPlatform rules and revenue share; younger audienceBrand activations and games for young players
Fortnite (UEFN)Massive player base, Unreal-quality visualsLess control over monetisation and dataBrand experiences and competitive game modes
Custom world (Unity or Unreal)Full control of design, data, monetisation and IPYou must attract and retain players yourselfStudios, long-term products and enterprise use
Web-based world (WebGL)No download, works in a browser linkLower visual fidelity than native enginesEvents, showrooms and quick-access experiences
VR-first worldDeepest immersion and presenceSmaller audience than mobile and PCSocial VR, training and premium experiences

Web3 and Play-to-Earn: done responsibly

Blockchain can give players true ownership of in-game items. But many early Play-to-Earn games struggled because their economies relied on new players to fund rewards. We design economies that work as games first, with Web3 features as an option rather than the foundation.

If your game includes tokens, NFTs or real-money rewards for UK players, it may fall under FCA rules on cryptoasset promotions or under gambling law. We build with these in mind and recommend specialist legal advice before launch.

  • Fun gameplay that stands on its own
  • Balanced sinks and sources in the in-game economy
  • Audited smart contracts and secure wallet integration
  • Clear, honest communication of what items are worth
  • Age-appropriate design in line with the ICO Children's Code
  • Moderation and safety tools for player chat

Our metaverse game development process

  1. Discovery

    Audience, goals, platform choice, scope and budget agreed up front.

  2. Game and economy design

    Core loop, social features, progression and monetisation planned.

  3. Prototype

    A playable slice to test the fun, performance and multiplayer before full production.

  4. Production

    Worlds, avatars, systems and integrations built in sprints with regular playtests.

  5. Testing

    Load testing, device testing, security audits and smart contract reviews where needed.

  6. Launch

    Platform submission, community onboarding and launch-day monitoring.

  7. Live operations

    Events, content updates, analytics and economy tuning to keep players engaged.

Technology we use

AreaTechnologies
Engines and platformsUnity, Unreal Engine, Roblox Studio (Luau), Unreal Editor for Fortnite, WebGL with Three.js or Babylon.js
VR and XROpenXR, Meta Quest, SteamVR, visionOS, WebXR
Multiplayer and back endPhoton, Unity Netcode, dedicated servers, Node.js, C#, WebSockets, PlayFab
Blockchain (optional)Ethereum, Polygon, Solana, Solidity smart contracts, ERC-721 and ERC-1155 tokens, wallet integration
Cloud and analyticsAWS, Microsoft Azure, Google Cloud, game analytics and crash reporting

Metaverse game development cost

Indicative UK ranges. Your quote depends on platform, scope, art style, multiplayer scale and blockchain features.

Project typeTypical costTypical timeline
Roblox or Fortnite branded experience£10,000 – £50,0006 – 12 weeks
Custom metaverse MVP£15,000 – £40,0003 – 5 months
Web3 or NFT-enabled game£40,000 – £150,0005 – 9 months
Full persistent virtual world£150,000 – £500,000+9 – 18 months
Live operationsFrom £1,000 per monthOngoing

Prices exclude VAT. Many games made in the UK may qualify for the Video Games Expenditure Credit (VGEC); check eligibility with a specialist adviser.

Not sure which platform fits your idea?

Tell us about your audience and goals. We'll recommend Roblox, Fortnite, a custom world or VR, with a clear budget for each option.

Get a free recommendation

Metaverse use cases

Gaming

Persistent multiplayer worlds, social hubs, competitive modes and creator-driven content.

Brand activations

Branded games and spaces on Roblox and Fortnite that reach younger audiences where they play.

Events and entertainment

Virtual concerts, launches and fan experiences open to global audiences.

Retail and fashion

Virtual stores, digital fashion and try-before-you-buy showrooms.

Education and training

Immersive classrooms, skills training and collaborative learning spaces.

Property and architecture

Virtual tours and interactive visualisations of buildings and spaces.

Why work with Fulminous Software

Platform-neutral advice

Roblox, Fortnite, custom or VR: we recommend what suits your goals and budget.

Games and Web3 under one roof

Game developers, 3D artists and blockchain engineers working as one team.

Prototype first

Test the fun before committing to full production.

London-headquartered

UK-hours project management and transparent GBP pricing.

Responsible design

Safety, age-appropriate design and UK regulation considered from the start.

You own your world

Full source code, assets and IP transferred to you.

Want to grow your own studio team? Hire game developers in London or hire blockchain developers.

Metaverse game development FAQs

What does a metaverse game development company do?

A metaverse game development company designs and builds persistent, shared virtual worlds where people play, socialise, create and trade. That covers game design, 3D worlds and avatars, multiplayer networking, in-game economies, optional blockchain features and launch on platforms such as Roblox, Fortnite, VR headsets, PC, mobile or the web.

How much does metaverse game development cost in the UK?

As a guide, a branded experience on Roblox or Fortnite typically costs £10,000 to £50,000, a custom metaverse game MVP £15,000 to £40,000, a Web3 or NFT-enabled game £40,000 to £150,000, and a full persistent virtual world £150,000 to £500,000 or more. Cost depends on scope, art style, platforms, multiplayer scale and blockchain features.

Should I build on Roblox or Fortnite, or create my own metaverse?

Roblox and Fortnite give you instant access to huge existing audiences and are ideal for brand activations and games aimed at younger players. A custom world built in Unity or Unreal gives you full control over design, data and monetisation, but you have to attract players yourself. Many brands start on an existing platform and expand later.

Does a metaverse game need blockchain or NFTs?

No. Most successful metaverse experiences don't use blockchain at all. Blockchain and NFTs make sense when players genuinely benefit from owning and trading digital items outside your game. We'll advise whether Web3 features add value for your audience or just add cost and complexity.

Are there UK regulations for metaverse and Play-to-Earn games?

Yes, depending on your design. Promoting cryptoassets to UK consumers falls under the FCA's financial promotions rules, real-money prizes can bring games under gambling law, and games likely to be used by children must follow the ICO Children's Code. Games with player chat also have duties under the Online Safety Act. We design with these in mind and recommend taking specialist legal advice.

How long does it take to build a metaverse game?

A Roblox or Fortnite experience usually takes 6 to 12 weeks, a custom metaverse MVP 3 to 5 months, and a full persistent world with multiplayer and live economy 9 to 18 months or more.

Can you support VR headsets in a metaverse game?

Yes. We build metaverse worlds that run on Meta Quest, PC VR and Apple Vision Pro as well as desktop and mobile, so players can join from the device they prefer.

Will we own the game and its source code?

Yes. We sign an NDA before you share details, and full ownership of the source code, assets, smart contracts and design documents is transferred to you on completion.

Ready to build your virtual world?

Tell us about your idea, audience and preferred platforms. We'll recommend the right approach and send an itemised GBP quote.

Phone: +44 734 433 5857 Email: info@fulminoussoftware.com 19 Tate Rd, London E16 2HJ

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