Disclaimer in advance: I like most of the genres in this game (such as mind control and bimboficiation). That has nothing to do with my overall impression of the game.
I want to say that I enjoy this game, but honestly, I cannot anymore and I've played this game and off since like version 0.20.
There's multiple reasons for this but I'll just stick with the biggest four gripes I have:
First, the lack of content in updates.
The updates have gone from having roughly 30-60 minutes minimum worth of content per update to... about 30 minutes per 3 updates. And that's a generous estimate.
I've gone from looking forward to each update to "oh right, I haven't checked in three updates..." and I get maybe 45 minutes of gameplay (and that's w/out using the wiki). Something I normally got from ONE update.
Second, how cryptic everything is. I love reading. But when it says "HEY THERE'S A NEW SCENE WITH X/Y/Z CHARACTER" in the change log and you have to be on a specific floor of the dungeon (which I personally find should be irrelevant but that's just my opinion - feel free to ignore it) along with having a minimum level on a character and sometimes you also need a specific spell along with a certain amount of affection, it quickly becomes a "excuse me, what the shit" deal.
Third, I find it bad game design when in order to unlock ANYTHING, you need either a walkthrough (there's an official one, but it haven't been updated in ages) or the wiki (which is thankfully updated whenever new content comes out so I'm usually lurking that for information). This is somewhat related to my second complaint above, because whenever I look at the wiki and see "You need to do X thing, then head to Y location and say Z thing," I think to myself "...nope, this was not worth it" unless it's one of literally four characters worth mentioning (Julia/Ms. Rack/Dr. Tiff/Cassandra). And even then, it's a bit of a "...yeah, who cares" as of late.
As a side-note on this one, each character has 4 forms (Normal, Mindless, Reverse, Exaggerated). Each one has 1 sex scene. They're all CG's (doesn't bother me) but if you want to fuck (for example) Mindless Julia, you're out of luck - hers (like many other Mindless scenes) involves them simply accepting the protagonist as their Master/Mistress.
I'd personally love to see more forniphilia scenes (from the top of my head, there's six - Ms. Rack (Mindless), Doll Sarah (missable), Victoria (Robot), Eric (Normal, the only one that's a guy and it's also super boring), Jane (Slut) and Brittany (Mindless). 2/6 require them to be Mindless and one is easily missable due to the limited time you can unlock it (by which I mean it's literally ONE SCENE that lets you unlock it).
Fourth and final, the amount of routes. There's a TON of routes. I mean there's easily 20-30 routes. Know how many that's done, minor routes or otherwise?
According to the wiki, there's like six completed routes (don't quote me on actual number as I don't know) - three major routes (leads to a NG+) and the rest of them are minor (meaning they're usually just for backstory or whatnot).
One of the first route is the Redemption Route. It has no content - after you give up your slaves, you can speak with SOME of them again... and then nothing. Each update I'm hoping for a bit more because I like the idea of a redemption protagonist but nope.
And yet, there's constantly new routes being added. Instead of wrapping up old ones.
And it begs the question - why are there so many when more than half of them are unfinished?
I know the idea is that "you can do whatever you want" but the freedom of choice is an illusion - the literal fourth choice in the game (second in the actual game) determines what route you're on - heroic, starting to enslave people (enslavement route) or beginning the redemption route (the first character you can enslave is Val, who is required to unlock the redemption route mentioned above). When you have to be EXTREMELY specific in what route you take, it quickly becomes a "well time to reload a save because I didn't cast a spell on that one specific line", ad infinitum.
The game has a lot of potentional left, but lack of content in updates have made me extremely bored of this game.
I have a couple of pros, but the cons heavily outweigh them.
First, I like the artwork (updated). The characters actually look like people in that one.
Second, I barely see any bugs whenever I do play, which is a massive bonus for me.
UPDATE AS OF AUG 6 2023:
...What the hell has happened with this game? It's somehow gotten EVEN WORSE since I wrote this review, nearly four years ago.
There's a child for the Protagonist called June who only appears on NG+. That's... fine, I guess. But she has basically no content. Like most fucking characters.
You're told that the game lets you do anything... but no. You have very little choice in what you can and can't do.
What's with all of the bugs all of a sudden? Half the shit isn't possible to trigger anymore - and if it is, it freezes the game! For instance, in (I believe) 0.78, a new date was added for Sarah... but it doesn't work. Why? Because it freezes the game! The game literally softlocks once the options appears - which are all misaligned or jumbled, whatever you wanna call it.
Sarah also has a scene in the dungeon. I left her (intentionally) as a doll after starting to date her and... she appear sin the dungeon? Wut? How? I sure as fuck don't know. It's never happened before AFAIK. If it's happened to someone else, feel free to inform me! She's not meant to be able to move... and yet, she randomly appeared. I don't speak with the creator of this game (ever) so I wouldn't know anything about their input.
There's also a lot of janky shit lately, like the Milk spell. It's a spell exclusive for women (fine) but... wait. One of the ones who can learn the spell is Rosa. The female protagonist. So... are we getting a male-exclusive spell, too? I'm gonna go with "nope".
I remember hearing/reading about seven or so years ago about someone who requested a gay dude to be added to the game, with Changer replying something among the lines of "it'd make no sense for there to be one". And yet... Cassandra is a lesbian because it's important to the plot...? No? It's important because... she's lesbian. Apparently. It's shitty writing.
I want to like the game a lot but with how little love it's getting (I heard from a friend who's a Patreon that he updates it for like 3-4 days per month these days and then ignores any bugs until the next update "cycle" if it can be called that)... yeah, I'm not gonna bother continuing with this game.
It's a great game on paper but the execution is God awful. Someone should adopt it and give it the love it deserves, frankly.