PIXEL ZUMBI

An asteroid falls on Earth and scientists discover life in it, that life was put into the capsule for tests with radiation, in 6 hours the strange thing grew and can be identified as a huge eye, in 12 hours it had already grown 6 times and one terrible radiation accident happens by releasing a virus and contaminating the laboratory, somehow the radiation has escaped and now it is up to a mercenary to solve the situation by killing the evil thing. * Choose the best character out of four with unique abilities to complete the areas.