A mistake many people have made is only reading the first tutorial then cancelling it out, please for the love of everything, go around and read ALL the tutorials around the map before closing them out. You move with WASD, like every other game, lots of people also had trouble figuring that out.
The original Post Shift 2 game was uploaded to Gamejolt by Rjac25. This is my best effort of a Scratch recreation of his game.