| 2023-03-02 19:07:43 | menace | Edited notes |
| 2023-03-02 19:07:37 | menace | Set release date to September 1990 |
| 2023-03-02 19:07:27 | menace | Edited notes |
| 2023-03-02 19:06:21 | menace | Set author to 'the firm' |
| 2023-03-02 19:06:14 | menace | Added tag 'thedraw-com-file-screen' |
| 2020-04-06 15:21:21 | sensenstahl | Edited notes |
| 2020-04-06 15:20:24 | sensenstahl | Edited notes |
| 2020-04-06 15:18:47 | sensenstahl | Updated link http://www.sensenstahl.com/untergrund_mirror/bbs/cornerstone_3_bbs1b.zip |
| 2020-04-06 15:18:27 | sensenstahl | Set title to 'Cornerstone 3 BBS (1b)' |
| 2017-12-15 16:22:04 | sensenstahl | Edited notes |
| 2017-12-15 16:20:01 | sensenstahl | Added link https://www.pouet.net/prod.php?which=72872 |
| 2017-12-15 16:15:55 | sensenstahl | Added screenshot |
| 2017-12-15 16:15:51 | sensenstahl | Added production 'Cornerstone 3 BBS (2)' |