Gamelight Overdelivers ROAS by 151% for UNO and Phase 10 by Mattel163
OVERVIEW
Over an extensive partnership, Gamelight has helped leading game publisher Mattel163 drive significant growth for its mobile card games, including UNO and Phase 10. Leveraging Gamelight's extensive user-base, Mattel163 promoted those titles across key geographies, including US, JP, UK, FR, and DE, both on Android and iOS platforms.
This case study focuses on Phase 10’s success with Gamelight. Mattel163’s objective was to scale in key regions while ensuring profitability, long-term growth and sustained player engagement.
Geos
US, JP, UK, DE, FR
Titles
Phase 10
Platforms
iOS, Android
Phase 10's success with Gamelight speaks for itself; Gamelight’s targeted strategies led to exceptional ROAS performance and profitability. Here’s how the campaign made an impact in every region:
Leon Zhou,
UA Team Leader
A high-performing advertising channel with precise, premium traffic and strong ROI/Retention. Demonstrates exceptional advantages in core European markets. Professional collaboration services make it an ideal partner for long-term cooperation.
RESULTS
United States: Mattel163’s success in the US market showcased exceptional scaling potential, tripling ROAS from D7 to D30 while driving highly engaged and retained users.
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Surpassed the D7 ROAS goal, laying the foundation for continued expansion
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ROAS increased by 284% from D7 to D30, showing strong revenue growth
These results highlight Gamelight’s ability to scale high-quality traffic across both iOS and Android while sustaining strong ROAS, engagement, and user retention
Europe (UK, DE, FR): Mattel163’s European campaigns exceeded expectations, doubling ROAS and driving sustained profitability.
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Achieved a 151% over the D7 ROAS target, demonstrating strong early returns
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ROAS grew by an impressive 201% from D7 to D30, delivering sustained profitability
Japan: by doubling the ROAS, Mattel163’s Japan campaign delivered exceptional efficiency and long-term results.
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Surpassed the D7 ROAS goal, exceeding performance benchmarks
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ROAS grew by 192% from D7 to D30, achieving sustained profitability
Gamelight’s success is further validated by the AppsFlyer Performance Index, where it proudly holds a Top 2 ranking for Casual titles across Western Europe, Japan & Korea, and other regions, cementing its position as a leading force in mobile gaming marketing.
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Explore the Gamelight dashboard and its unique features HERE
To talk to one of Gamelight’s mobile game marketing experts, get in touch via partners@gamelight.io
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CONLUSION
Mattel163 achieved outstanding results through collaboration with Gamelight, doubling and tripling ROAS across key markets, reaching up to 284% ROAS growth.
This partnership showcases Gamelight’s ability to drive sustained profitability and long-term user engagement, reinforcing Gamelight’s position as the leading rewarded UA platform for mobile gaming brands.
GET IN TOUCH
Explore the Gamelight dashboard and its unique features HERE.

To talk to one of Gamelight’s mobile game marketing experts, get in touch via partners@gamelight.io
