| 2021-09-29 21:27:36 | Brittle | Added credit for Mr SQL on KC Operating System For The Atari 2600!: Code, Graphics, Music |
| 2021-09-29 21:27:21 | Brittle | Deleted Tom Babich's credit on KC Operating System For The Atari 2600! |
| 2021-09-29 21:27:00 | Brittle | Updated Tom Babich's credit on KC Operating System For The Atari 2600!: Code, Graphics, Music |
| 2021-09-18 10:23:00 | ltk_tscc | Added link https://www.pouet.net/prod.php?which=89766 |
| 2021-09-06 22:00:18 | exocet | Added link https://files.scene.org/view/parties/2021/sillyventure21/vcsdemo/kc_os.zip |
| 2021-08-27 09:19:39 | ltk_tscc | Added screenshot |
| 2021-08-27 09:19:20 | ltk_tscc | Added 2 info files |
| 2021-08-27 09:18:39 | ltk_tscc | Added credit for Tom Babich on KC Operating System For The Atari 2600!: Code, Graphics, Music |
| 2021-08-27 09:18:29 | ltk_tscc | Added link https://ftp.untergrund.net/users/ltk_tscc/fujiology/VCS/BABICH/KC_OS.ZIP |
| 2021-08-24 13:14:57 | ltk_tscc | Updated competition placing info for KC Operating System For The Atari 2600! in Silly Venture 2020 + 1 Summer Atari VCS 2600 Demo competition |
| 2021-08-22 10:50:37 | ltk_tscc | Updated competition placing info for KC Operating System For The Atari 2600! in Silly Venture 2020 + 1 Summer Atari VCS 2600 Demo competition |
| 2021-08-21 21:16:15 | ltk_tscc | Updated competition placing info for KC Operating System For The Atari 2600! in Silly Venture 2020 + 1 Summer Atari VCS 2600 Demo competition |
| 2021-08-21 21:16:10 | ltk_tscc | Added competition placing for KC Operating System For The Atari 2600! in Silly Venture 2020 + 1 Summer Atari VCS 2600 Demo competition |