Well, it was photoshop for the still screens apart from the pixelated retropie one it ends on as that’s taken from the pixel theme by rookervik. It’s all put together in Windows movie maker. Simple as that, all the built in transitions in movie maker are all I’ve used and I got the sounds from the net. Just searched for Mario wavs and found loads. Really simple in the end after I downloaded some proper video editing software I could barely comprehend.