Kongregate
AcquiredSan Francisco, US Β· Founded 2006 Β· 7 known investors
Acquired by Monumental February 2024 Β· terms undisclosed Β· source β
Kongregate hosts an online catalog of browser-based games, including a large collection of platform games with player ratings and play counts. It serves gamers looking to discover and play titles from various independent developers.
Founders & leadership
Kongregate was founded in 2006 by Emily Greer and Jim Greer.

Board
Investors Β· 7
Also in the syndicate Β· 4
Company profile
researched Aug 2026Kongregate was founded by siblings Jim Greer and Emily Greer, launching on October 10, 2006 as a browser-based Flash game portal that let independent developers upload games and earn a share of advertising and virtual-currency revenue, with community features like achievements, chat, and ratings. The site moved from alpha to public beta on March 22, 2007 (alongside a funding announcement) and opened fully to the public in December 2007. By July 2008 the company had raised roughly $9 million from investors including Greylock Partners, Reid Hoffman, Jeff Clavier, and Jeff Bezos (notably a $3 million tranche from Bezos announced in April 2008); Greylock general partner James Slavet subsequently sat on Kongregate's board. Jim Greer served as CEO from the company's founding until early 2014, when Emily Greer took over as CEO.
On July 23, 2010, GameStop announced it was acquiring Kongregate, folding the web portal into its digital/PC gaming strategy. Under GameStop ownership Kongregate broadened from a pure web portal into a mobile free-to-play game publisher, launching a $10 million fund in 2013 to finance third-party mobile developers, and later adding Steam distribution support for partner titles (2016) and acquiring mobile studio Synapse Games (maker of Animation Throwdown) in October 2017.
In June 2017, GameStop sold Kongregate to Swedish media group Modern Times Group (MTG) for approximately $55 million. Under MTG, Kongregate continued mobile publishing (acquiring battle-royale hit Surviv.io in December 2019) and in November 2018 launched Kartridge, a curated PC digital storefront positioned as an indie-friendly alternative to Steam. Emily Greer departed as CEO on May 2, 2019, succeeded on an interim basis by COO Pany Haritatos (a former Zynga executive who had joined in 2013); Markus Lipp, previously CFO of InnoGames, became Kongregate's CEO and CFO in February 2020.
Business model
Ad-supported and virtual-goods/microtransaction revenue share with independent Flash/HTML5 game developers on the web portal; free-to-play mobile game publishing (IAP and ad monetization) as a second, later business line; briefly also operated the Kartridge PC digital storefront (2018-2023).
Advertising revenue share and virtual currency (Kreds) sales on the web portal; in-app purchases and ads on published mobile titles; digital storefront cut on Kartridge (discontinued).
βΈFull profile β profile (continued), go-to-market, ownership
Profile (continued)
Adobe announced Flash Player would reach end-of-life on December 31, 2020. Kongregate stopped accepting new Flash game submissions on July 1, 2020 and worked to transition remaining popular titles to HTML5, effectively ending the classic Flash-portal era that had defined the company since 2006 (though the site itself continued operating with HTML5 games rather than shutting down entirely). The company later experimented with blockchain/NFT gaming, announcing a Kongregate.io initiative in 2021 and a $40 million game fund with Immutable X in May 2022, before shutting down the Kartridge storefront in September 2023 amid a broader pullback. In 2024, MTG sold Kongregate to game developer Monumental, retaining roughly a 30% stake in the combined entity going forward. As of the most recent available reporting, Kongregate continues to operate its web portal and publish mobile titles under Monumental's ownership, though it has been substantially reduced in scope from its 2006-2020 Flash-portal identity. Kongregate is active as a subsidiary; the Flash-based game portal transitioned off Flash in Dec 2020, and the company was sold by Modern Times Group to Monumental in 2024.
Go-to-market
Casual/browser gamers (web portal) and mobile free-to-play gamers; independent game developers seeking distribution and publishing/funding support.
Ownership
Subsidiary β sold by GameStop to Modern Times Group (MTG) in 2017; MTG sold Kongregate to game developer Monumental in 2024, with MTG retaining an approximate 30% stake in the resulting company. β parent: Monumental
Compiled by commissioned research from 11 cited public sources β announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed β not independently audited.
Timeline Β· 22
launches, deals, and filingsModern Times Group sells Kongregate to game developer Monumental, retaining an approximate 30% stake in the resulting company.
Kongregate partners with Immutable X on a $40 million fund for blockchain games.
Kongregate announces a blockchain/NFT-based gaming initiative under the Kongregate.io banner.
Adobe officially discontinues Flash Player, ending the technology underlying Kongregate's original Flash game portal.
Kongregate stops accepting new Flash game submissions ahead of Adobe Flash Player's end-of-life, and begins transitioning key titles to HTML5.
Markus Lipp, former InnoGames CFO, becomes Kongregate's CEO and CFO.
Co-founder and CEO Emily Greer leaves the company; COO Pany Haritatos becomes interim CEO.
Kongregate launches Kartridge, an indie-focused PC digital game storefront.
Kongregate acquires mobile studio Synapse Games, developer of Animation Throwdown.
GameStop sells Kongregate to Swedish media group Modern Times Group (MTG) for approximately $55 million.
Kongregate adds SDK support for Steam distribution for partner titles.
Kongregate announces a $10M fund to finance third-party mobile game developers, marking its pivot toward mobile publishing.
GameStop agrees to acquire Kongregate, bringing the web portal into its digital gaming strategy.
TechCrunch reports a $3M funding tranche from Jeff Bezos, part of the ~$9M raised by mid-2008.
Kongregate moves to public beta and announces its early venture funding (investors including Greylock Partners, Reid Hoffman, Jeff Clavier).
Jim and Emily Greer launch Kongregate as a browser-based Flash game portal for independent developers.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
In the news
βΈResearch sources Β· 11
primary sources listed
- Kongregate - CrunchbaseCrunchbase Β· company db
- Kongregate - Company Financials - CrunchbaseCrunchbase Β· company db
- Jim Greer - CrunchbaseCrunchbase Β· company db
- Emily Greer - CrunchbaseCrunchbase Β· company db
- Markus Lipp - CrunchbaseCrunchbase Β· company db
- Tamara Levy - CrunchbaseCrunchbase Β· company db
- James Slavet - CrunchbaseCrunchbase Β· company db
11 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Kongregate do?
- A mobile game publisher and web gaming portal
- Who founded Kongregate?
- Kongregate was founded by Emily Greer, Jim Greer in 2006.
- Who are Kongregate's investors?
- Kongregate's investors include Lightspeed Venture Partners, Uncork Capital, Greylock Partners.
- Where is Kongregate headquartered?
- Kongregate is headquartered in San Francisco, US.


