Besides general Quizzes, HRPL has conducted Quizzes on the following subjects: the Environment, Engineering & Technology, Computers and IT, Literature, Geography, Science, Mathematics, Architecture, Mental Ability, History, Finance, Trade & Marketing, Parliamentary Affairs and Legislation, Sports, British Council quiz at Victoria Memorial, RBIQ 12 quiz in association with Reserve Bank of India to create an awareness and an interest about banking and finance, the history and role of RBI and other banking institutions, economics, trade and commerce, accounting, Current Affairs, personalities and events that have contributed to the greatness of India over the last century, and strictly syllabus-oriented quizzes for schools. 
Barry OBrien has conducted numerous quizzes exclusively on Management, Marketing, Advertising and the World of Business in India and Nepal for The Advertising Club of Calcutta; ITC, The Boss Magazine (Nepals leading business magazine); Surya Nepal; IIM Bangalore; XLRI Jamshedpur.   

 
Radio and TV Quizzes
They include the National Parliamentary Quiz organised by the Ministry of Parliamentary Affairs on DD1 and the Green Teen Quiz on DD Metro. He has co-hosted popular syllabus oriented bilingual quizzes with Biswanath Dasgupta on Zee Alpha and Aakash Bangla. More recently, he hosted Buzz with Barry, a quiz show for south Asian countries, on TV South Asia, and Soccer Raj, a TRP topper quiz on World Cup 2010 on Kolkata TV, and Friends School Quiz with Barry OBrien on Friends FM. SCHOOLWIZ-II, The biggest-ever TV quiz show in the North-East! For students of the leading schools of Assam aired on NEWSLIVE and RANG, two of the most popular TV channels of the North-East.

RBIQ 2012
A 32 city national level inter-school quiz for teenagers in the 15 to 18 age-group organized by Reserve Bank of India between August 2012 to December 2012 to create an awareness and an interest about banking and finance, the history and role of RBI and other banking institutions, economics, trade and commerce, accounting, Current Affairs, personalities and events that have contributed to the greatness of India over the last century. The four zonal finals and the national final were shown in Zee-Business channel. The total concept, research, content development, supervision and presentation of the quiz were done by Barry OBrien and his company Heritage Resources Pvt Ltd. Barry along with his co-quizmaster Ryan Shaw did all the 32 city level pre-quarterfinals and quarterfinals, while Barry was the quiz master for four zonal semi-finals and the national final which was shot in the prestigious National Library auditorium and subsequently telecasted in Zee Business channel. The total exercise was a super success and generated huge response and enthusiasm among the students as well as the general audience.

In-house Training Quizzes
HRPL has pioneered this genre of quiz contests: an in-house training event for middle management, junior executives, trainees, distributors, agents and franchisees . The agenda for such a quiz is to enhance product knowledge, revisit company policies and strategies, become more aware of competition, build team spirit all this while having loads of fun in a relaxed, yet competitive atmosphere. HRPL has conducted quizzes of this nature very successfully for several divisions of ITC (for more than a decade), HDFC Standard Life, State Bank of India, HSBC.