Overall, this was pretty fun. I got the blue card and some keys, as well as started a side quest from an email in IT. Checking the emails did get a bit repetitive, but there was enough variety and story there to make it worth continuing to check it. Advancing the story was logical and straightforward. The music and SFX OK. There was one that stood out a bit as out of place, and that was the sound for door that is closed. It seemed a bit loud and aggressive for just checking if the door can be opened. I liked the flavor text and story building. That kept me playing longer than I otherwise would have.
It would be nice if there was an indicator for the email showing if it is empty to reduce the need to click on each one and check. I can see a perspective of being thorough gets you more info, but a common email count of unread messages, or even just a symbol, such as an asterisk next to folders with content, would be nice.
Most things you interact with have a popup asking you to choose or confirm your action. The fire alarm did not, which I was not expecting. For consistency it would be nice if you added a popup asking if the player wants to set off the alarm. I was not prepared for it to go off, so got caught, though I'm pretty sure how it needs to be used.
The chairs can obstruct your character. Perhaps reduce the size a bit to help see your character when on the same tile.
Pushing the left-most cleaning room cart from the top causes it to not move until you step aside, and then it moves up.
The collision shapes for the plants at the bottom right of the room that looks like the main entrance for customers and has the elevator, appear to be shifted left by 1 tile. I also can't seem to leave that room. The elevator is not working due to the power being off, and trying to go back out the door does nothing. I tried both mouse and keyboard. I have not gone through every letter in the address book, so maybe that triggers something, but I don't feel like going through it all, and that shouldn't be needed. I never saved, and don't want to start all over, so this is where I will stop playing.
The Options, Save, Load, and Exit Confirmation screens are not in English, though everything else I saw is.
It would be nice if you listed the controls somewhere. I started with the mouse, which was OK, except that when I clicked to advance a dialog it would move the character as well. I switched to keyboard after that.