I just found this associated link https://www.theregister.com/offbeat/2026/10/15/give-him-a-ha...

Gives more background information about how this upload came about.

This article immediately triggered recollections of my Palm III I had - in around 1996 There was a submarine / depth charge game that I found addictive. Last time I powered it up, a few years ago the LCD screen was not working.