A brand new graphics and performance update is on its way (hopefully before the end of december). On my testing system (GTX 780) I've had a 140% - 260% performance increase! The game never drops below 50FPS.
I've also added cel shading and inked outlines to the game which really helps to make it look more unique and comic book like.

After the graphics and performance update, I'm also re-working Mission Zero to make finding the clues more interesting and less of a "screen hunt". This will include a lock picking mini-game for some objects like filing cabinets and other gameplay tweaks and additions. The update for Mission Zero should be available in January.