| 2025-10-19 20:54:24 | dipswitch | Added credit for Yerzmyey on 1k: Code |
| 2025-10-19 20:54:11 | dipswitch | Added link https://files.scene.org/view/parties/2009/jhcon09/zx91_1k/1k.7z; Deleted link http://zxm.speccy.cz/dwnld/zx81/jhc09/yerz-1K.zip |
| 2018-03-24 17:14:38 | ltk_tscc | Added link https://www.pouet.net/prod.php?which=54163 |
| 2013-12-31 19:34:26 | factor6 | Added link http://zxm.speccy.cz/dwnld/zx81/jhc09/yerz-1K.zip |
| 2013-12-31 19:30:22 | factor6 | Updated competition placing info for 1k in JHCon 2009 ZX81 1K Intro Compo competition |
| 2013-12-31 19:30:16 | factor6 | Updated competition placing info for 1k in JHCon 2009 ZX81 1K Intro Compo competition |
| 2013-12-31 19:30:09 | factor6 | Added competition placing for 1k in JHCon 2009 ZX81 1K Intro Compo competition |