The Safer Labs Defence Gunner is a sorta sentient robot with advanced sensors and as its name suggests it has powerful guns The Handheld Gateway Device works kinda like the Aperture Science Handheld Portal Device The Testing Spheres are spherical robots that are basically like The Aperture Science Personality Cores except The Testing Spheres encourage Test Subjects they also have a claw that is used to pick up items, if test subjects veer off the test chambers they will be incinerated.