This is not really a game, but a cute paint program with a 4-channel sample sequencer built in. Malu and I tried making some music with cat meows and pig oinks. I have named the undo dog 'Undog'.
Screenshots marked with 🍒 are created by syltefar and are considered public domain, free to use for anything. If you want to, you can note where you found it and link to this page.