| 2020-05-03 09:49:14 | ltk_tscc | Edited soundtrack details for Happy Trippos |
| 2020-05-03 09:27:56 | ltk_tscc | Added tag 'humor' |
| 2020-05-03 09:27:13 | ltk_tscc | Set title to 'Happy Trippos' |
| 2020-05-03 09:26:04 | ltk_tscc | Added 16 screenshots |
| 2020-05-03 09:13:38 | ltk_tscc | Added info file |
| 2016-11-01 16:24:53 | ltk_tscc | Set release date to 9 February 2003 |
| 2015-12-27 09:52:43 | menace | Added link https://files.scene.org/view/demos/groups/risk/happytrippo.zip |
| 2014-09-02 12:12:13 | seppjo | Added credit for Herm on Happy Trippo: Other (speech) |
| 2014-08-29 10:13:47 | seppjo | Added credit for Tommy on Happy Trippo: Music |
| 2014-08-29 10:13:31 | seppjo | Added credit for Ripguy on Happy Trippo: Code, Graphics, Music |
| 2013-06-16 11:28:47 | ltk_tscc | Added production 'Happy Trippo' |