Gotta say, I love the hell outta this game, despite the little annoyances it has. For one, I wish there was an option to have more than one test subject at once. One to make mad, one to be nice to. Another thing is an upgrade to research multiple things at once. Gets kind of tedious researching all the items I have twice, one at a time.
I like this game a lot, but there's some really weird glitches that get in the way of it being perfect. Like, I somehow fall clean through the center of a platform when trying to land on it, and this happens at least one third of the time. Still, I like it.
I know it's really weird, but once I managed to get the passive reactions, I started cooing at my zombie like it's a 5-year-old. A very slow-moving 5-year-old. "Aww, he stuck the fork in his hand, isn't it adorable~?"