You need to disable the behavior flag for Dues Ex AFIK. Otherwise it won't work. As for trine, you don't have SSAA enabled in the launcher do you? The only thing that makes sense is that you have bloom disabled in the options text. As disabling that for me makes the aliasing on the bridge similar to yours. Alternatively you can use 8xSGSSAA or 8xS+4xSGSSAA and that improves that at the cost of more performance. You can also enable FXAA in game, which will work with 4xSGSSAA enabled. But the image is a lot softer. Also if you could, set Steam to save "lossless copies" of screenshots. (And then upload these to a hosting site like abload or cubeupload. Or convert those lossless ones to JPG and then upload them. Or even the JPGs Steam produces locally. Not uploaded) The JPGs that Steam produces when you upload screenshots to the cloud are horrible quality that have so much compression artifacts visible that it makes it hard to discern the real detail in an image.