How are these videos made?

This https://www.youtube.com/@beep_beep_%C4%B1m_asheep/shorts has a lot of shorts where music plays depending on the game that is being played above, like this How is it made? What software is used to make it?

You could use Godot for the game part, and any animation software for the bottom part with the sheep. They aren't perfectly in sync, apart from at the start, you could edit them a bit to make it look like that. As for the song. Thats just pure creativity, and good sound mixing. Could be ai suppose.

The sounds does a lot to the level of engagement
There are other ideas that could be used in sync with the upper video