Would anyone have a idea on how i could recreate this?

ive been stuck on this for mutiple days heres a link to the video im using for refrence, the effect im talking about is when confetti comes falling down how could i make that effect?
https://gyazo.com/1955ebcd46220cf1da28c8255b373855.mp4
i thought mabye it was made with particle but you cant use them with a viewport also it looks 3d. any help with this would be apperciated.