Well, first impression is that it's what you might get if Portal, Spacechem, and Minecraft had a baby.
The puzzles are interesting thus far, however one thing that has been conspicuously absent so far is
factory-based dealings with eldritch horrors. Although maybe it's just the tutorial and first area that are missing them... still haven't gotten too far in
The story is told through audio logs this time, although one thing I would like to see in the finished version is subtitles (or, at the least, audio transcripts once the logs have been found). Not really a big deal for me, and the logs so far have been thematically appropriate (at least the ones I can understand - my language abilities don't extend that far).
Working with timings and setups in three dimensions is even more awkward sometimes than in two; my Spacechem solutions (especially late-game) tended to look like red and blue spaghetti as I made use of as much space as I needed (what's 'efficiency'?), and when you have to worry about putting physical obstructions in the path of your components... it gets a little tangled.
Oh! Also if you're a Minecraft player you may need to get used to the controls as they're basically the reverse of them (left click places, right click removes). On the plus side when you accidentally remove a block you can just hit Z to undo - good luck trying that in MC when you accidentally flood your redstone contraptions.