| 2021-04-17 17:32:14 | ltk_tscc | Set release date to 3 November 1990 |
| 2016-04-23 15:27:53 | ltk_tscc | Edited soundtrack details for Unseen IQ Demo |
| 2016-04-23 15:26:55 | ltk_tscc | Added credit for Mad Max on Unseen IQ Demo: Music |
| 2016-04-23 13:24:45 | ltk_tscc | Deleted Mad Max's credit on Unseen IQ Demo |
| 2015-12-01 19:57:45 | ltk_tscc | Set release date to 1991 |
| 2015-12-01 19:56:00 | ltk_tscc | Added credit for Mad Max on Unseen IQ Demo: Music |
| 2015-12-01 19:55:08 | ltk_tscc | Added credit for Virgin on Unseen IQ Demo: Graphics |
| 2015-12-01 19:54:53 | ltk_tscc | Added credit for Dark Shadow on Unseen IQ Demo: Graphics |
| 2015-12-01 19:54:47 | ltk_tscc | Added credit for Raven on Unseen IQ Demo: Code |
| 2015-12-01 19:54:40 | ltk_tscc | Added screenshot |
| 2015-03-27 11:27:20 | ltk_tscc | Added link http://www.atarimania.com/demo-atari-st-unseen-iq-demo_23654.html |
| 2014-11-20 10:33:31 | ltk_tscc | Added link http://www.pouet.net/prod.php?which=59906 |
| 2013-05-30 13:11:01 | ltk_tscc | Added production 'Unseen IQ Demo' |