Blue Portals is a unique Portal mod that has players traverse through new test chambers using only the single portal device and many new test elements.
Activator
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Description
Now you can activate things and get rid of a box that will get in the way- AT THE SAME TIME!
Nice!
that is pretty cool with the yellow lights in the cube.
Yeah,pretty cool,but will make the game easier :D
That's the one that sets off the sensor-beams to open doors and such? Much nicer than that awkward /brown shade.
My favorite cube.