I have one that I worked on: Lunatik for Playstation 1 - This was a game I worked on in 1996/7 that ended up being cancelled by EIDOS after two years+ of effort. We had major problems trying to make this into a 3D Defender and that is why it mostly was canned.
[1] My github with a 'playable' early demo: https://github.com/louthy/lunatik-psx
[2] Video of the gameplay from the demo: https://www.youtube.com/watch?v=J4UcxKkC14o
[3] Write-up by unseen64.net: https://www.unseen64.net/2020/11/16/lunatik-pure-entertainme...
[4] My comment on unseen64.net about what happened: https://www.unseen64.net/2020/11/16/lunatik-pure-entertainme...