Harmonix Music Systems is a Boston-based video game developer founded in 1995 by MIT Media Lab alumni Alex Rigopulos and Eran Egozy. The studio pioneered the music-rhythm video game genre, creating the original Guitar Hero (2005), the Rock Band franchise (2007-present), Dance Central, Amplitude, FreQuency, Fuser, and a range of music-driven experiences. Harmonix was acquired by Viacom/MTV Networks in 2006 for $175 million, sold to investor Jason Epstein's holding company in 2010, and acquired by Epic Games in November 2021 to build musical journeys and gameplay for Fortnite. Since the Epic acquisition, Harmonix has led the development of Fortnite Festival, a rhythm gameplay mode launched in December 2023.
Harmonix Music Systems has been acquired
This company is no longer available on our private secondary market.
Company data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Founded
1995
Employees
100–250
Funding data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Last updated 06-25-2026
Latest Round
Type
Series B
Date
December 10, 2015
Amount
Not disclosed
Valuation
—
Lead Investors
| Date | Round | Amount Raised | Valuation | Lead Investors |
|---|---|---|---|---|
| December 10, 2015 | Series B | Not disclosed | — | Not disclosed |
| September 4, 2015 | Series A | Not disclosed | — | Spark Capital |
Steve Janiak
Chief Executive Officer
Alex Rigopulos
Co-Founder
Eran Egozy
Co-Founder
Competitor list is illustrative and may be incomplete, stale, or erroneous.
Beat Games
Czech studio behind Beat Saber, the leading VR rhythm game; acquired by Meta in 2019.
Activision (Guitar Hero)
Publisher that ran the post-Harmonix Guitar Hero franchise via Neversoft and FreeStyleGames; now part of Microsoft.
Konami
Japanese publisher of Dance Dance Revolution and BeatMania, the original arcade rhythm-game franchises.
Roblox
User-generated metaverse platform that competes with Fortnite (Harmonix's parent) for music-driven interactive experiences and concerts.
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