I don't launch it via steam, (I launch it via exe in the base directory.) so it doesn't track my time. So I don't know how many hours I have accumulated but.. I have been playing beam since the orginal launch date. So I estimate a "bunch of hours" lol.
156 hours tracked on Steam. A LOT of hours not tracked on Steam (don't usually launch through Steam).
i have played it 573 hours since Febuary 2014 --- Post updated --- i play it almost every day so yeah
To give you some context: -It's my most played game -Bought it about 11 months ago when I got my laptop
i played 250 hours but alot wasnt recorded and also i had the techdemo before and i played that alot so im guessing 50 hours. also i own the game since you can buy it on steam