how render like pixel art in cycles render?

i want render model(animation) like mortal kombat 2 (3) sprites, but all internet full off videos how make pixel render in BLENDER RENDER - i use cycles render(cycles materials). my solution looks like:

  1. small resolution render - 320/240
  2. Ambient Occlusion - 0,5
    but it’s not enough. Shadows are not sharp, not everything is lit up, all blurry, no noise,too many color gradients.
    how resolve dis?

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