Nintendo has apologised for "disappointing many people by failing to include same-sex relationships" in upcoming Nintendo 3DS title Tomodachi Life, and pledged to "better represent all players" should it build a second game in the series.

In a statement posted on the company's website this evening, Nintendo said that it was "committed to fun and entertainment for everyone".

"We apologize for disappointing many people by failing to include same-sex relationships in Tomodachi Life. Unfortunately, it is not possible for us to change this game's design, and such a significant development change can't be accomplished with a post-ship patch.

"At Nintendo, dedication has always meant going beyond the games to promote a sense of community, and to share a spirit of fun and joy. We are committed to advancing our longtime company values of fun and entertainment for everyone. We pledge that if we create a next installment in the Tomodachi series, we will strive to design a game-play experience from the ground up that is more inclusive, and better represents all players."

In response to a social media campaign calling for same-sex relationships to be included in the game, Nintendo issued a statement earlier this week explaining that "the relationship options in [Tomodachi Life] represent a playful alternate world rather than a real-life simulation," and said that it "never intended to make any form of social commentary with the launch of Tomodachi Life".

Tomodachi Life launches in the UK on June 6.