Sneaking past is easy for the first two you encounter. For the rest of them, just wait until they are near those gas tanks. Put a few rounds in the tanks and they get knocked out. At least I hope that stuff knocks them out. It looks like the gas from the gas grenades, so I assume it doesn’t kill them.
This game seems to be really good to play stealthy. I’ve been looking forward to some good stealth games but they’re few and far between 
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As others had mentioned, lower the HBAO settings to medium or low.
I had the same issue, it wasn’t really video lag either because it still ran smooth, it was mouse lag, but turning it to medium helped me.
I just turned up mouse sensitivity a bit and I was perfectly fine. 
It actually is video latency. The mouse controls use raw input in Human Revolution as well, but it has terrible graphics latency if you have certain settings turned on – usually if you’re using an Nvidia card, as most ATI users didn’t report an issue. It’s the worst I’ve seen since the Escape From Butcher Bay/Dark Athena pack. Try turning off AA and Vsync, that works for most people.
I got the game a few days ago and i’m loving it. I’ve already finished after about 2 full days of playing, sneaking around and trying to find everything. I’ve noticed some glitches and bugs though, the fight with Yelena Fedorova was made very easy because she got stuck running in place.
Other than that i only failed one objective, meeting up with taggart at the end of the game. I don’t get why you get so many credits even when you’re not able to buy really much, i ended up with some 50000 credits by the end.
It’s too bad that there aren’t any cheats in the game, i’d love to turn on god mode and infinite energy to start punching people all over.
FWIW I had mouse lag problems once upon a time with Dead Space, had to turn on Vsync
Well, now we all have to wait for a DLC that sounds like its just going to be content they cut from the game to squeeze more money out of us. As much as I loved the game, I’m half tempted to pirate that DLC because of that.
Well, the endings were derpy, but the game itself was solid gold.
I know of one working trainer that I’ve been using on my second playthrough. Just search for [COLOR=‘Gray’]dR.oLLe trainer. Unlimited energy cells are worth playing the game again for. You end up seeing so much that you missed the first time.
I really wished they let you continue after you’ve beat the game with the current Augments you had…
Fun side note: Watch the whole credits.[color=black]Damn Meghan to Hell
You mean[COLOR=‘Black’] the part with the 3 girls acting as processors for the machine? I tried using the tranq rifle on them, but they behaved in the same way as if you killed them. Tried to do the same to [COLOR=‘black’]TYM’s CEO but [COLOR=‘black’]she dies no matter what you do I think.
Its a boss fight, you have to kill them.
Boss fights don’t count against pacifist thankfully
Not to mention at that point they all really should die.
Beat the game two days ago…Just fuckin amazing
Went with with Taggert’s ending, What did everyone else choose?
Oh and did anyone encounter a bug that prevented them from finishing the Cloak & Dagger side mission or was that just me?
Sarif’s ending here. If we’re going to steal fire from the gods, we might as well get good at it.
God the second boss fight was horrendous. How long is this thing? I am in singapore.
was that the one with the invisible chick? I thought that one was kinda fun, she gives you time to think/regroup/setup. I’m pretty terrible at straight up FPS combat, but that fight was manageable