| 2023-04-23 01:39:22 | psenough | Set release date to December 1988 |
| 2023-04-23 01:37:30 | psenough | Added credit for Insider on Skulls Intro: Graphics |
| 2023-04-23 01:37:02 | psenough | Added credit for J.p.88 on Skulls Intro: Graphics |
| 2023-04-23 01:35:27 | psenough | Added credit for Dark Blitter on Skulls Intro: Code |
| 2023-04-23 01:33:38 | psenough | Added link https://www.youtube.com/watch?v=mfxExbIl3u8 |
| 2023-04-23 01:33:17 | psenough | Added link https://www.pouet.net/prod.php?which=33643 |
| 2023-04-23 01:33:12 | psenough | Added production 'Skulls Intro' |