11. Gbanga makes video games that use real-world location data.

Gbanga is a Swiss video game developer founded in 2007. It has worked with larger companies to create promotional apps, including "IKEA PAX Packer" and "Gross. Stadt. Jagd" with Mercedes-Benz.

Gbanga makes many of its apps using a core technology that matches social gaming with real-world environments. Players can even make their own games using Gbanga's "Puppetmaster" API.

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