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Combine-Styled Energy Reactor

[NOTE: This is just for the skybox, there's nothing behind it]
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This is a recreated version of the original. (A comment had an "interesting" comparison to something). So I changed it to this. It will spawn frozen, so you'll just need to press the "R" button to release it. And if you set it up, make sure to freeze the floor circle thingys.

(Left and Right arrow keys to move the core)