It always bugged me that you couldn't save the scientists in Half-Life. You'd be trundling through some grey corridor in the bowels of Black Mesa, with one or two or maybe even three lab coat wearing boffins behind you, when they'd suddenly stop for no obvious reason, announcing: "This is as far as I go!" You may not have noticed, Poindexter, but there's an alien invasion happening, and sticking around because those legs you don't use much are getting tired is probably not a good idea...
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