I liked the setting a lot and thought you did a good job implementing the stair mechanic but felt it was a bit overused. I thought it was a bit difficult to navigate my way through the area but once I found some enemies I found it more interesting. 

I liked the setting and the stealth elements but there wasn't much to most of the areas. I also couldn't figure out where to go to get anything, everything looked kinda samey. Enemy AI needs refinement too.

Moving worked mostly well, I have two gripes though - when you traverse the stairs, you can't keep holding left or right because the character doesn't move at all when you come from the stairs, you have to click the movement button again. The second thing is that the horizontal stairs didn't work at all, I couldn't walk them up. There was an up arrow at an antenna after the first area but it didn't do anything. I presume I needed the rope upgrade but I didn't find it anywhere.

Needs some polish but it's a good start! The top priority should be adding more enemies and making them more dangerous to enforce the stealth elements more.

Interesting idea, I like it.

I managed to find the first powerup that is rope. What kept me from sticking with the game is enough repetitive background and little action, mostly walking through chain of similarly looking rooms. Also I miss sounds very much in a game like this. I tried and managed to kill one of the bad  guys, but only because he didn't hit me back. Likely later in the game I should receive some weapon. I wish I find further way to overcome big boys with guns but it's hard to navigate in such monotoneous locations without a map and having to walk inside each room to discover where I can go further from it.

Really neat idea. I like the setting. It was fun to jump around parkour-style and sneak around the building. However, I think the buildings are too big without enough to do. I made it a few boards over but that took quite a bit of going up and down. Then I got into a fight on the third board and promptly died, which put me all the way back to the very start. After that I did not want to do all that backtracking work. I'd be very interested in playing a more polished version that perhaps scaled down the towers and didn't require so much backtracking after death. 

I really like the environment/setting, a tightly packed apartment complex seems like a pretty cool place to explore! Unfortunately I had a hard time making heads or tails of anything... I ended up going in a big circle in the complex until I came back around to the first room and slapped the henchmen silly? Couldn't figure out where I could go after exhausting all the stairs I saw...
There was also a slow motion mechanic that I couldn't quite figure out... Maybe posting the controls somewhere could help?