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Doppler Hat Games

Games & Interactive
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Founded
2016
Employees
1-10
Offices
1

About Doppler Hat Games

Doppler Hat Games was an independent game developer and publisher founded in 2016, with operations in the United States and China. Its work focused on mobile games, including strategic MMORPGs, real-time strategy and grid-defense titles, with releases for Android and iOS and additional work on Roblox.

Its flagship game, Time Quest: Heroes of History, launched on Android and iOS in 2017. The strategic turn-based MMORPG brought historical and mythological figures into time-travel combat scenarios. Its characters included Nikola Tesla, Amelia Earhart, George Washington and Cleopatra.

The studio followed with Secret Kingdom Defenders: Heroes vs. Monsters! in January 2018. Inspired by Journey to the West, the action-strategy game used a grid-defense format and appeared on Google Play and the iOS App Store. Its other work included the beta-release mobile action-strategy title Pirate Heroes: Siege of Atlantis and the Roblox game Rocket World.

Across its projects, the studio combined game development and publishing with game art, 2D animation and community management. Its portfolio centered on digital games, drawing on historical, mythological and fantasy settings.

More about Doppler Hat Games

Historical leadership

  • Ruizheng An was the founder and CEO.
  • Patrick Genellie served as executive producer and creative director.
  • Xiaolu Zeng was identified as CTO in the studio history.

Production model

The studio divided responsibilities between its two branches: the North American team coordinated publishing, localization, design and market strategy, while the China team handled art asset production and live operations.

Notable credits

4 credits
  • Time Quest: Heroes of History
  • Secret Kingdom Defenders: Heroes vs. Monsters!
  • Pirate Heroes: Siege of Atlantis
  • Rocket World

Offices

Current and former locations of Doppler Hat Games

2 locations

  • Bellevue office

    Bellevue, Washington, United States

  • Beijing office

    Former office
    Beijing, China

    Historical direct branch responsible for game art asset creation and live operations for mobile titles.

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