Boris

Boris

Boris Pfeiffer is the co-founder and CEO of Riddle.com, a leading platform for interactive quizzes and audience engagement. He brings a wealth of experience from the gaming and tech industries, having previously led Kabam's European operations and founded his own game studio. Earlier in his career, Boris served as General Manager of Monster.com's Internet Advertising Division in Europe. Boris has deep roots in the quiz industry. As General Manager Europe for Tickle.com, he helped scale the popular quiz portal into the world's 28th largest website by 2004, leading to its acquisition by Monster.com for over $100 million. During this time, he managed international teams of quiz writers and psychologists, developing quiz content for brands, mobile apps, and millions of users across Europe in multiple languages. In addition to his work in quizzes and gaming, Boris has supported a variety of startups across Asia, the U.S., and Europe. He is the author of two books - Facebook Fan Pages (2011) and Quizmaster (2017) - and a proud father of two. He has been happily married for over 25 years.


The power of leaderboards. Supercharge your quizzes and contests with leaderboards from riddle.com

Unleashing the power of leaderboards

How to drive motivation and engagement in any setting Introduction Leaderboards are the ultimate gamification add-on to quizzes and score predictors. They provide a sense of achievement and turn every quiz into a competition. Comparing your score with everyone else who took the quiz is […]

Read more
Tate Modern Case Study with Riddle.com

Tate – Museum Case Study

Tate uses Riddle to make its art collection interactive and accessible. Across 41 pieces of content, they've generated 3.7 million views and 2.1 million completions, with quizzes now driving half of Tate Kids' traffic and 22% higher time on site.

Read more
Zero Party Data

What is zero-party data?

Understanding the difference between zero-party and third-party data In this post, you’ll learn: First- and zero-party data are the holy grail of data collected on the internet. You might have read about the importance of zero-party data in the light of Google’s upcoming ban on […]

Read more
Riddle and German Accelerator partnering for India Market Discovery

Market Discovery – India

Market Discovery: Exploring India with German Accelerator Helping local companies grow is one of the most profitable things a government can do to increase future tax revenue. From a macroeconomic point of view, it is even better if that growth is fuelled from abroad, bringing […]

Read more
FC 08 Homburg - using riddle.com for fan engagement

FC 08 Homburg – Sports Case Study

German soccer club FC 08 Homburg uses Riddle to engage fans between match days. Weekly quizzes and polls delivered a 19.7% newsletter sign-up rate and an interaction rate nearly five times higher than conventional content.

Read more
Blog Header Live Audience Engagement

Riddle at live sports events – table tennis Champions League Final Four

1. FC Saarbrücken TT used Riddle to engage live audiences at the Champions League Final Four, running quizzes, score predictors, and MVP voting across a two-day tournament - with nearly half of all participants converting to confirmed double opt-in leads.

Read more
Header for Press Release on the new partnership between Riddle and the 1. FC Saarbrücken Table Tennis

Riddle Technologies cooperates with 1. FC Saarbrücken for fan engagement

The quiz provider supports the European Champions League Final Four 2023/2024 in table tennis on Easter weekend (31.3. / 1.4.2024). The cooperation aims to improve fan engagement among table tennis fans. Saarbrücken – The collaboration kicks off with the final of the premier league title […]

Read more
How to use quizzes for election marketing

Election Year Buzz: A Proven 3-Stage Guide to Engaging Voters

How to engage, inform, and connect with voters during the election year with interactive content. Keeping your audience engaged is crucial in the fast-paced world of digital media, especially during significant events like the upcoming U.S. presidential elections. Publishers need innovative ways to capture and retain audience attention during a 24/7 news […]

Read more
Header Personality Quiz Question Format. What type of questions perform better: Likert Scale or situational questions?

Riddle Lab – Personality Quiz Question Format

Riddle Lab – Personality Test Questions Experiment: Do simple Likert scale questions perform better or worse than situational questions and answer options in a personality quiz? What do you think? What kind of questions perform better in Personality Quizzes? Likert Scale Situational Questions Why do […]

Read more
Header Pop-Up vs. Quiz: Which converts better?

Riddle Lab – Pop-up vs. Quiz Conversion Rates

Experiment: Form completion rates of a pop-up vs. embedded quiz Does a pop-up with a newsletter sign-up form outperform an embedded quiz with the form placed at the end of the quiz? What do you think? Do pop-ups generate more leads than a quiz? Yes, […]

Read more
Scroll to Top