2020 now. recorder</b>-for-win/">Screen Capture could be a good option as well. I can record in 1080p smoothly. Maybe it could help you.
If you have a webcam and you need to capture the game, smartpixel is a nice choice: http://smartpixel.software.informer.com/.
The product records everything what's on the Windows ... as applications and even games, but since games use Direct 3D technology ...