Johnny Ball, Suzi Ruffell, Nina Wadia and Danny Wallace test their general knowledge skills on this week's House of Games.

Johnny Ball, Suzi Ruffell, Nina Wadia and Danny Wallace test their general knowledge skills on today's House of Games.

Johnny Ball, Suzi Ruffell, Nina Wadia and Danny Wallace test their general knowledge skills on today's House of Games.

Johnny Ball, Suzi Ruffell, Nina Wadia and Danny Wallace test their general knowledge skills on today's House of Games.

Johnny Ball, Suzi Ruffell, Nina Wadia and Danny Wallace face their final set of general knowledge quizzes and the week's winner is crowned.

Previous contestants Radzi Chinyanganya, Janet Ellis, Darren Harriott and Suzi Ruffell test their general knowledge skills on this week's House of Games.

Every day this week, previous contestants Radzi Chinyanganya, Janet Ellis, Darren Harriott and Suzi Ruffell take on a series of quiz rounds selected by the host, quiz legend Richard Osman.

Every day this week, previous contestants Radzi Chinyanganya, Janet Ellis, Darren Harriott and Suzi Ruffell take on a series of quiz rounds selected by the host, quiz legend Richard Osman.

Every day this week, previous contestants Radzi Chinyanganya, Janet Ellis, Darren Harriott and Suzi Ruffell take on a series of quiz rounds selected by the host, quiz legend Richard Osman.

Every day this week, previous contestants Radzi Chinyanganya, Janet Ellis, Darren Harriott and Suzi Ruffell take on a series of quiz rounds selected by the host, quiz legend Richard Osman.