Steam store school-shooting game 'appalling'
A "school-shooting simulator" video game has been described as "appalling" by an anti-gun violence charity.
According to its listing on the Steam video game store, the software lets players "slaughter as many civilians as possible" in a school environment.
Charity Infer Trust called on Valve - the company behind the Steam games store - to take the title down before it goes on sale, on 6 June.
Valve has not responded to the BBC's request for comment.
The game has been posted on the Steam store by an independent developer previously accused of selling "asset-flipped" games.
Asset-flipping is taking third-party game engines and graphics and repackaging them for sale with minimal alteration or development.
The school-shooting game is described as "realistic" and "impressive". And the developer has suggested it will include 3D models of children to shoot at.
However, the creator also says: "Please do not take any of this seriously.
"This is only meant to be the simulation and nothing else."
A spokeswoman for Infer Trust said: "It's in very bad taste. There have been 22 school shootings in the US since the beginning of this year. Read more here: