| 2024-05-10 06:03:09 | menace | Added link https://files.scene.org/view/parties/2010/x10/demo/portal.zip |
| 2024-01-20 21:10:20 | ericorsio | Added tag '2-disk-sides' |
| 2021-07-26 14:20:41 | 100bit | Added link https://csdb.dk/release/?id=94440 |
| 2021-07-26 08:17:54 | ericorsio | Edited soundtrack details for Portal |
| 2020-07-03 13:51:31 | ericorsio | Set invitation for Silesia 5 |
| 2015-08-12 13:55:29 | menace | Added credit for Psycho8580 on Portal: Music |
| 2015-08-12 13:55:14 | menace | Edited notes |
| 2015-08-12 13:54:50 | menace | Added credit for Joodas on Portal: Graphics |
| 2015-08-12 13:54:37 | menace | Added credit for Carrion on Portal: Graphics |
| 2015-08-12 13:52:33 | menace | Added credit for Zielok on Portal: Code, Graphics |
| 2015-08-12 13:52:11 | menace | Added credit for Sebaloz on Portal: Code, Graphics |
| 2015-08-12 13:51:37 | menace | Added link http://www.youtube.com/watch?v=uC_j5VtPUik |
| 2013-01-30 14:21:24 | menace | Set release date to 2 October 2010 |
| 2013-01-30 13:43:40 | Saga_Musix | Added download link http://noname.c64.org/csdb/getinternalfile.php/92098/portal.zip |
| 2013-01-30 13:41:38 | Saga_Musix | Added link http://www.pouet.net/prod.php?which=56002 |
| 2013-01-30 13:32:37 | Saga_Musix | Updated competition placing info for Portal in X 2010 C64 Demo competition |
| 2013-01-30 13:31:37 | Saga_Musix | Updated competition placing info for Portal in X 2010 C64 Demo competition |
| 2013-01-30 13:31:21 | Saga_Musix | Updated competition placing info for Portal in X 2010 C64 Demo competition |
| 2013-01-30 13:31:13 | Saga_Musix | Added competition placing for Portal in X 2010 C64 Demo competition |