We all know Nintendo is know for its QA and that most of their games work quite fine, but they aren't completely free of bugs.
From my experience the buggier game I can remember is Mario 64.
https://www.youtube.com/watch?v=5YbtkoOgmcs
https://www.youtube.com/watch?v=gsJlMmX6lus
https://www.youtube.com/watch?v=Uf17d1C2Hw0
And my favourite bug to finish the game faster https://www.youtube.com/watch?v=4NWuRQ-KklI
To know what all those bugs can mean to your gameplay
https://www.youtube.com/watch?v=Yf2OwJopzaw
https://www.youtube.com/watch?v=I1mJnCcDn8M
If someone wants to embebed the videos please help out.
duduspace11 "Well, since we are estimating costs, Pokemon Red/Blue did cost Nintendo about $50m to make back in 1996"
http://gamrconnect.vgchartz.com/post.php?id=8808363
Mr Puggsly: "Hehe, I said good profit. You said big profit. Frankly, not losing money is what I meant by good. Don't get hung up on semantics"
http://gamrconnect.vgchartz.com/post.php?id=9008994
Azzanation: "PS5 wouldn't sold out at launch without scalpers."