Random pixels are drawn in shadow/wall areas from the 2nd level on wards. Killing enemies has the effect of reducign the number of random pixels being drawn.

Additionally, when aiming, "random" white pixels are sometimes brefily displayed for a frame or so
Random pixels are drawn in shadow/wall areas from the 2nd level on wards. Killing enemies has the effect of reducign the number of random pixels being drawn.
Additionally, when aiming, "random" white pixels are sometimes brefily displayed for a frame or so