In the work in progress folder is a new version of Alien 1.5.
What you gain is two or three pages of actual play, using the rules. It features using the word lists for inspiration, the scene set ups, including the stress roll to see if anything odd shows up.
It starts part way through Act II, and goes into Act III.
I do encounter a xenomorph, so I use the random table for the xenomorph, and despite being in a power loader, it did not end well.
I did not include the combat scene as they are pure Alien RPG rules.
I think these rules work, I am quite happy to tidy up the first page and give credit to the Alien RPG team, and then put these to bed.
Unless you think different.