Kolibri Games
Kolibri Games is a Berlin-based German mobile-game developer known for free-to-play idle and tycoon games.
Last updated August 31, 2026
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Overview
Kolibri Games GmbH is a German mobile-games company headquartered in Berlin. It was established in 2016 under the name Fluffy Fairy Games by Daniel Stammler, Janosch Sadowski, Tim Reiter, Oliver Löffler and Sebastian Karasek. The founders began the business from a student apartment and developed the company without external financing at the outset. Its early operating model focused on compact mobile projects built around idle-game mechanics, in which players continue to accumulate resources and progress even when they are not actively playing. The company’s breakthrough release was Idle Miner Tycoon, launched in July 2016 after approximately eight weeks of development. The game combines a mining-management simulation with incremental progression: players expand mines, automate production, hire managers and reinvest accumulated resources. Its broad international distribution and large download base made it the company’s best-known title and established Kolibri Games as a specialist in the idle and tycoon segment. The title was reported to have exceeded 100 million downloads. As the studio grew, it moved from its original student-apartment setting to Berlin in January 2018. In April of the same year it released Idle Factory Tycoon for iOS and Android. This title applied a similar incremental-management structure to industrial production, allowing users to build and automate a factory empire. It was subsequently reported to have surpassed 10 million downloads. In October 2018, the company changed its name from Fluffy Fairy Games to Kolibri Games, adopting the identity under which it became better known in the international games market. Kolibri Games attracted attention during the German startup and technology boom of the late 2010s. LinkedIn included it in its 2018 list of Germany’s top 25 startups, while Red Herring selected the company for its 2018 Top 100 Europe and Top 100 Global lists. It also received recognition in Deloitte’s Technology Fast 50 Rising Stars category in 2018 and again in 2020. In 2021, the company was listed sixth in the Financial Times 1000 ranking of Europe’s fastest-growing companies. These acknowledgments reflected the scale and growth of its mobile publishing business rather than a public stock-market listing. In February 2020, Ubisoft acquired a 75 percent majority stake in Kolibri Games. The transaction was reported at a company valuation of €160 million, with Ubisoft describing the deal as a way to expand its presence in the idle mobile-games segment. Kolibri Games therefore became part of Ubisoft while retaining its identity as a mobile-game studio. The company’s public profile is associated primarily with free-to-play mobile products, long-term live operations, incremental progression systems and accessible management simulations. Its best-documented portfolio includes Idle Miner Tycoon and Idle Factory Tycoon; information about additional current products, present leadership and post-acquisition organizational changes is limited in the supplied reference material.
History
Kolibri Games began in 2016 as Fluffy Fairy Games, founded by Daniel Stammler, Janosch Sadowski, Tim Reiter, Oliver Löffler and Sebastian Karasek. The founders started the company in a student apartment and initially operated without outside financing. Their first documented major release, Idle Miner Tycoon, reached mobile users in July 2016 after roughly eight weeks of development. The game established the studio’s characteristic focus on idle progression, automated production and tycoon-style management. The company expanded its operations and moved to Berlin in January 2018. In April 2018 it released Idle Factory Tycoon for iOS and Android, transferring its incremental-management formula from mining to industrial production. The game later surpassed 10 million downloads according to the cited reference. In October 2018, the studio changed its name from Fluffy Fairy Games to Kolibri Games. The rebranding accompanied a period of growing international recognition: LinkedIn named the company among Germany’s top 25 startups in 2018, Red Herring included it in both its European and global Top 100 selections, and Deloitte placed it first in the Rising Stars category of its Technology Fast 50 in 2018. Kolibri Games continued to receive growth-related recognition in the following years. It won the Deloitte Technology Fast 50 Rising Stars distinction again in 2020, and the Financial Times ranked it sixth in its 2021 list of Europe’s fastest-growing companies. In February 2020, Ubisoft bought a 75 percent majority stake in the studio. The transaction was reported at a valuation of €160 million and reflected Ubisoft’s interest in expanding its position in idle mobile games. After the acquisition, Kolibri Games remained identified as a Berlin-based mobile-games company within the Ubisoft group. The supplied reference material does not establish a complete current product catalog, current executive roster or detailed post-acquisition corporate structure.
- 2020
Ubisoft becomes majority shareholder
[1]Ubisoft acquired 75 percent of the company at a reported valuation of €160 million.
- 2018
Relocation to Berlin
[1]The company moved to Berlin in January as its operations expanded.
- 2018
Idle Factory Tycoon released
[1]The company launched its factory-management idle game on iOS and Android.
- 2018
Rebranded as Kolibri Games
[1]Fluffy Fairy Games changed its name to Kolibri Games in October.
- 2016
Company founded as Fluffy Fairy Games
[1]Daniel Stammler, Janosch Sadowski, Tim Reiter, Oliver Löffler and Sebastian Karasek founded the company in Germany.
- 2016
Idle Miner Tycoon released
[1]The studio released its mining-management idle game after approximately eight weeks of development.
Products and positioning
A specialist mobile-game developer focused on accessible idle, incremental and tycoon experiences, with progression systems designed for frequent and long-term engagement.
Idle mobile game · 2016
Idle Miner Tycoon
Idle Miner Tycoon is a mining-management simulation built around incremental progression. Players expand mining operations, automate resource production and reinvest earnings to grow a virtual mining empire. Released in July 2016, it became Kolibri Games’ signature title and was reported to have exceeded 100 million downloads.
Idle mobile game · 2018
Idle Factory Tycoon
Idle Factory Tycoon is an incremental management game for iOS and Android. It adapts the studio’s idle-game formula to factory production, letting players develop and automate an industrial operation. The title was released in April 2018 and was subsequently reported to have surpassed 10 million downloads.
Brand decisions
2020
Accept Ubisoft majority investmentM&ABackground
Ubisoft sought to expand into the idle mobile-game category, while Kolibri Games had developed a recognized portfolio and international user base.
Action taken
Ubisoft acquired a 75 percent majority share in Kolibri Games.
Aftermath
Kolibri Games became part of Ubisoft’s group while continuing to be identified as a Berlin-based mobile-game company.
Reported company valuation. €160 million (February 2020 transaction)
2018
Adopt the Kolibri Games corporate nameStrategyBackground
The studio had operated since 2016 as Fluffy Fairy Games and was expanding its portfolio and international profile.
Action taken
The company changed its name to Kolibri Games in October 2018.
Aftermath
The Kolibri Games name became the company’s continuing public identity and was used during its subsequent Ubisoft investment.
Recent events
- 2020
Ubisoft acquires a majority stake in Kolibri Games[1]
M&A
Ubisoft acquired a 75 percent majority share in Kolibri Games at a reported company valuation of €160 million, adding the mobile idle-game specialist to its portfolio.
- 2020
Kolibri Games founders receive Young Entrepreneurs of the Year recognition[1]
Other
Co-chief executives Janosch Sadowski and Daniel Stammler were recognized as Young Entrepreneurs of the Year at Investor Allstars.
- 2018
Fluffy Fairy Games moves to Berlin[1]
Other
The company relocated to Berlin as it expanded beyond its original student-apartment origins.
- 2018
Idle Factory Tycoon launches on iOS and Android[1]
Product launch
Kolibri Games released Idle Factory Tycoon, a mobile factory-management game that later exceeded 10 million downloads according to the cited reference.
- 2018
Fluffy Fairy Games adopts the Kolibri Games name[1]
Other
The studio changed its corporate and market-facing name from Fluffy Fairy Games to Kolibri Games.
- 2016
Fluffy Fairy Games releases Idle Miner Tycoon[1]
Product launch
The company launched Idle Miner Tycoon, its first documented major mobile title, after a short development period and established its focus on idle management gameplay.
Sources3 sources
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