3 March 2016
- 11:1111:11, 3 March 2016 diff hist −1 Cave Johnson voice lines →1982
27 August 2014
- 11:0811:08, 27 August 2014 diff hist +1 Cave Johnson voice lines →1953
8 August 2014
- 08:4908:49, 8 August 2014 diff hist +1 Cave Johnson voice lines →1957
1 May 2014
- 13:3813:38, 1 May 2014 diff hist +22 Cave Johnson voice lines →80's
- 13:3413:34, 1 May 2014 diff hist +40 Cave Johnson voice lines →70's
- 13:3013:30, 1 May 2014 diff hist +26 Cave Johnson voice lines →Intercom messages at the VITRIFIED doors
- 13:2113:21, 1 May 2014 diff hist +2,020 Cave Johnson voice lines →50's
- 13:1913:19, 1 May 2014 diff hist −2,049 Cave Johnson voice lines →Between test chambers
- 13:1713:17, 1 May 2014 diff hist +50 Cave Johnson voice lines →50's