I really liked "Callisto" .... The start is a little weird if you are not used to that sort of interactive gameplay , but the story of that game is definitely worth playing it.
you're welcome:) If you are not annoyed by reading like VERY MUCH and more interested in the story than adult scenes (which are plenty of in the game I'm about to mention, just not high quality) you could take a look at "Terminus Reach Sentinel"... I just can't remember where I got it... This is split in 2 AVN, "Terminus Reach Sentinel" and "Terminus Reach Sentinel 2"
The visuals are not that great, but all the characters and the story really kept me at my pc for WAYYYYY TOO MANY HOURS ....
Great title to kill time while you wait for other titles getting updated, it is fully finished.
Most choices have an impact on the story, who will help you , how bad things go and so on .... Everything builds up from the start 'till the end of the second title.
Once in a Lifetime is on my list, just not started it yet. For now I have Serenity on my list, at least what's completed so far ^^ Serenity and Last Human to be precise, both from the same creator and at least Serenity does also effect some things in Last human , I just don't tell you what exactly to avoid spoiling the surprise.