On April 20th 1999, the United States was rocked by a horrific school shooting at Columbine High School in Littleton, Colorado. In the years to follow, many forms of media began to sort out the events of that day. Books were published. Films were produced. Then in 2005, one Colorado man created an amateur videogame exploring the actions and possible motives of the two shooters....$以为是案件相关才借的,没想到是探讨游戏的选材以及对现实是否产生影响,太长。