We stole and repackaged these games with no credit or royalties to the creators.

But look how much fun!

The overall downward movement is not part of CGoL.

is there a download or play online?

Yeah, came for "Conway Invaders" (looks like a badass premise for a game) but became disappointed when it appeared to be "use AI to create a game".

I just want to write my own Conway (Life?) Invaders now.

(Entropy Wars? I love the idea that your "bullets", when they pass within 1U of a living cell, would become part of the Conway engine—possibly expanding, exploding an otherwise stable organism. Perhaps too a glider gun is sending gliders down at the player and that is what gives the "scroll".)