| 2022-11-17 07:44:46 | redback | Added credit for Quetzal on Hello Kitty: Code |
| 2022-11-17 06:11:10 | redback | Added 2 screenshots |
| 2022-11-17 06:03:08 | redback | Added credit for redback on Hello Kitty: Graphics |
| 2022-11-17 06:01:43 | redback | Added link https://csdb.dk/release/?id=84154 |
| 2022-02-09 22:20:27 | exocet | Added tag 'sanrio' |
| 2015-01-05 14:41:31 | ltk_tscc | Set platform to Commodore 64 |
| 2014-02-12 13:14:58 | menace | Added download link https://www.scene.org/file.php?file=/parties/2009/syntax09/demo_oldschool/hellokitty_300.zip&fileinfo |
| 2013-09-01 15:17:31 | menace | Updated competition placing info for Hello Kitty in Syntax 2009 Oldskool Demo competition |
| 2013-09-01 15:17:29 | menace | Updated competition placing info for Hello Kitty in Syntax 2009 Oldskool Demo competition |
| 2013-09-01 15:17:24 | menace | Added competition placing for Hello Kitty in Syntax 2009 Oldskool Demo competition |