OpusMajor

What OpusMajor does

OpusMajor (legal entity OPUS MAJOR SAS) is a Paris-based, privately held game studio founded in 2023 by Jean-Nicolas Vernin (CEO & Co-founder) and Pierre-Armand Nicq (CCO & Co-Founder). The studio is developing MAJJAM, a cooperative multiplayer adventure game in which music functions as the magic system — players band together against a deadly darkness using instruments, jam cards, and music-driven abilities. The studio frames MAJJAM as "Opus #1" in a planned multi-title "Opus Major universe" intended to amplify social bonds through shared music and gaming experiences, targeting two overlapping consumer segments: cooperative multiplayer video game players and music enthusiasts seeking social, interactive music engagement.

MAJJAM is built on Unreal Engine 5, supported by a cloud infrastructure stack based on Kubernetes/GKE with Terraform for infrastructure-as-code and Prometheus/Grafana for monitoring and observability. The studio operates with approximately 30 "Jammers" across gameplay programming, systems engineering, technical design, art, animation, VFX, UI, QA, analytics, audio, marketing, and people functions, with both senior and junior hires indicating pipeline build-out. The product is distributed via a Steam marketplace listing and a Discord-driven community channel, with a hosted Press Kit and LinkedIn presence supporting corporate communications; the first closed MAJJAM playtest ran September 18–22, 2025 and drew thousands of registered participants.

The commercial model is pre-launch and B2C. Revenue, when generated, is expected to come from game sales through Steam and from in-game purchases, expansions, or additional game modes within the MAJJAM ecosystem. No pricing has been disclosed. The company is funded by a $10 million round closed in March 2025, led by Griffin Gaming Partners with Alven participating; the firm is registered in France as a Société par Actions Simplifiée (SAS) with registered office at 15 rue des Halles, 75001 Paris. Revenue today is zero, with all capital deployed against pre-launch development and team scaling.

Name

OpusMajor

Legal name

OPUS MAJOR SAS

Website

https://opusmajor.io

Company type

Private

Founded year

2023

Operating status

Operating

Headcount range

11–50 employees

Short description

Paris-based game studio developing MAJJAM, a cooperative multiplayer adventure game built on Unreal Engine 5 where music functions as the magic system. Targets gamers and music enthusiasts via Steam and Discord; pre-revenue and pre-commercial launch.

Ownership category

akta.pro rank

Product category

Video Games

NAICS

Music Publishers (512230), Sound Recording Studios (512240)

akta.pro industry

PRIMARYMPAIAIAJ

Music Education & Practice Software (Ear training, tutors, metronome tools)

Media, Entertainment & Sports/Music & Audio (Recording, Publishing, Streaming)/Music Technology & Software (DAWs, Plugins, Music Apps)

Keywords

• Video game development
• Cooperative multiplayer games
• Music-driven gaming
• Adventure game studio
• Unreal engine games

Headquarters

HQ city

Paris

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Software

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Game Sales and In-Game Purchases: Pre-launch game studio preparing for commercial release. Revenue expected to come from game sales through Steam marketplace and potential in-game purchases or expansions.
2. Digital Content Monetization: Post-launch monetization through digital content, expansions, or additional game modes within the MAJJAM ecosystem.

Go-to-market motion2 records

Distribution channels2 records

Marketing channels3 records

Core offering

Opus Major is a Paris-based game studio developing MAJJAM, a cooperative multiplayer adventure game where music serves as the magic system. Players band together using instruments, jam cards, and music-driven abilities to push back a deadly darkness. MAJJAM is the studio's first Opus (chapter) in its planned ever-growing universe of music-and-game experiences.

Product overview

Opus Major is a Paris-based game studio developing MAJJAM, a cooperative multiplayer adventure game where music is the magic system. The studio operates with approximately 30 team members and is funded by a $10M round led by Griffin. MAJJAM is the studio's first Opus (chapter) in their ever-growing universe, designed to amplify social bonds through shared music and gaming experiences.

Differentiator

Problem solved

Functional benefit

Brands

• MAJJAM: MAJJAM is Opus Major's first game - a cooperative multiplayer adventure where music is magic. Players band together to push back a deadly darkness using instruments, jam cards, and music-driven abilities.

Products and services

• MAJJAM A cooperative multiplayer adventure game where music is magic. Players band together to push back a deadly darkness using instruments, jam cards, and music-driven abilities. The first Opus in the Opus Major universe combining video games and music in an epic multiplayer adventure. Built on Unreal Engine 5 and available for discovery on Steam.

Named customers1 record

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Scale indicators3 records

Expansion highlights5 records

Direct peers

• Ghost Ship Games: Danish studio behind 'Deep Rock Galactic', a co-op multiplayer game with strong community and long-tail sales. Comparable as a smaller independent studio that turned a co-op concept into a multi-year live product on Steam.
• Hello Games: UK indie studio behind 'No Man's Sky', an Unreal-adjacent small team that shipped and sustained a multiplayer-heavy title. Comparable as a small studio that bet on a long-tail multiplayer universe with strong community engagement.
• Don't Nod: Paris-based indie game studio with comparable headcount scale and similar single-IP-to-multiple-IP trajectory. Comparable as a French-headquartered studio building narrative-driven, premium-quality games with a small-to-mid team.
• Hazelight Studios: Swedish studio behind 'It Takes Two' and 'Split Fiction', focused exclusively on co-op multiplayer narrative/adventure games. Closest direct peer: similar headcount range, similar premium co-op positioning, similar reliance on a novel shared-mechanic hook.
• Studio Gobo: UK-based independent studio (~50 people) working on co-op and shared-world titles in Unreal Engine. Comparable in team size, engine choice, and emphasis on social/multiplayer experiences.

Broad incumbents

• Ubisoft: Major French-headquartered publisher with a large Paris studio footprint. Comparable as the dominant local incumbent competing for senior Unreal talent and publishing relationships in France.
• Epic Games: Owner of Unreal Engine 5 and operator of the Epic Games Store. Relevant as the engine licensor and a competing storefront to Steam for OpusMajor's distribution.
• Coffee Stain Studios: Swedish developer and publisher of co-op hits including 'Satisfactory' and 'Deep Rock Galactic' (publisher). Comparable as a publishing/development peer with deep expertise bringing co-op indie games to commercial scale.

Emerging players

• The Outsiders: Stockholm-based studio building a co-op action game led by industry veterans. Comparable as an emerging peer combining senior dev talent with novel co-op design.
• Stray Bombay: Seattle-based studio founded by Chet Faliszek building co-op multiplayer games. Comparable as a recently-funded, small team pursuing novel co-op mechanics with a strong community-led growth approach.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/opusmajor
• Xx.com/opusmajorgames

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds1 record

Investors2 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about OpusMajor