| 2017-06-18 09:18:31 | sensenstahl | Set author to 'Proxima', release date to 15 February 1997, type to Intro |
| 2017-02-05 14:12:51 | ltk_tscc | Added link http://www.pouet.net/prod.php?which=58732 |
| 2016-05-04 07:00:37 | menace | Edited notes |
| 2016-05-04 07:00:31 | menace | Added credit for Dune on Undo: Music |
| 2016-05-04 07:00:20 | menace | Added credit for Roma on Undo: Code |
| 2016-05-04 07:00:13 | menace | Added credit for Bounty on Undo: Code |
| 2014-03-17 18:40:42 | menace | Set platform to MS-Dos |
| 2013-09-18 20:12:46 | menace | Added download link http://www.scene.org/file.php?file=/parties/1997/scenus97/intro/prx_undo.zip&fileinfo |
| 2013-09-18 16:55:24 | menace | Updated competition placing info for Undo in Scenus 1997 PC/Amiga 64K Intro competition |
| 2013-09-18 16:55:21 | menace | Updated competition placing info for Undo in Scenus 1997 PC/Amiga 64K Intro competition |
| 2013-09-18 16:55:18 | menace | Added competition placing for Undo in Scenus 1997 PC/Amiga 64K Intro competition |