Here are a set of grabs from the original Uridium, by Andrew Braybrook.
I’ve already written about the enhanced version of Uridium here, which includes a chat with Mr. Braybrook himself, over on Twitter, about this classic shoot ’em up.
Technically flawless; simple to understand; hard to master – Uridium is one of the best shooters ever made. In my humble opinion.
More: Uridium on Wikipedia