stage 1: Elongated limbs (Not elongated to be thin and spindly), extreme tiredness, predatory instincts. Speaking problems.
stage 2: Slightly smoother movement. wide grin. Pure white eyes.
stage 3: Sharp teeth. Victim's fingers turn into claws. Mindless predatoriness.
last stage/stage 4: able to mimic survivors voices. Mindlessness. Glowing white eyes.
infected: Pi (stage 1), Ten (stage 2), Five (stage 4), Eight (stage 1), Two (stage 3), X (stage 4), Three (stage 2).
survivor: other Algebraliens