Haha well spotted, the full list is; the origami unicorn, 1982 license plate and Tyrrell corporation logo are references to bladerunner (1982), the electric sheep is a reference to Do Androids Dream of Electric Sheep by Philip K dick, the logo below the sheep is a reference to altered carbon, the building next to the sheep is a reference to the goggles from the cover of Neuromancer, the car is the quadra v tech from cyberpunk 2077 and the ghost in a clam is a reference to ghost in the shell