Plain Vanilla, the developer of mobile trivia game QuizUp, has received $7.5m in financing from Glo Mobile, which joins backers including Tencent, IDG and Riot Games.

Mobile game company Glu Mobile has invested $7.5m in Plain Vanilla, the Iceland-based developer behind the game QuizUp, in the form of promissory notes convertible.

Launched in November 2013, QuizUp is a trivia game with more than 40 million registered users that has been played more than five billion times.

Glu, a Nasdaq-listed developer and publisher of free-to-play games for smartphone and tablet devices, plans to work with Plain Vanilla on a QuizUp television programme. It has the rights to buy the company later through a call option lasting 15 months.

Plain Vanilla previously raised $22m in a series B round including internet company Tencent, venture firm Sequoia Capital and IDG Ventures, a corporate venturing affiliate of media and data firm International Data Group, in December 2013. taking its overall funding to $27m. It boosted the round to $26.9m in June 2015.

IDG Ventures India, Tencent, gaming company Riot Games, Greycroft Partners, BoldStart Ventures, Crunchfund and Mesa Global had supplied $2.4m for the company in April 2013.

Niccolo de Masi, CEO pf Glu, which was also backed by China-based Tencent pre-flotation, said: “I look forward to joining QuizUp’s board of directors and sharing Glu’s deep expertise in advertising, in-app purchase optimisation, analytics and user acquisition.

“If our partnership proves out and QuizUp revenues scale, Glu will evaluate whether to exercise its call option to acquire the business.”

James Mawson

James Mawson is founder and chief executive of Global Venturing.