Not bad for the first experience, but there are things to improve. Storywise - some prelude and a bit of gunshot would be nice. Technically - the game tends to freeze sometimes. Also, the two guys in the second stage room will kill you on touch even if you've chosen a correct option while speaking. The dialog option appears for the second time when you leave the room. There are also some mistakes in text. The whole sneaking thing is not bad, but it would've been better if enemies moved slower but had a range of vision or something, cause it lloks strange when they do nothing to you when standing just next tile.