Aperture Science Cooperative Testing Initiative RSS Feed en-us Steam Community RSS Looking for new better Testing Subjects. We need more players, please take a few minutes and invite a few of your friends. The more players we can recruit, the easier it will become to find someone worth testing with. Sun, 24 Apr 2011 16:12:25 +0000 12d3 https://steamcommunity.com/groups/ScienceIsFun/announcements/detail/217506926162189250