Hey games industry people! How many of you are big fans of the original Half-Life? Did it influence your work? Do you have fond memories playing it? Gimme a show of hands. Would love to hear from you!pic.twitter.com/aOFYt9CC1A
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Oh man effect and cause is one of the best levels on first person shooter history. No joke
But TF2 didn't have a campaign? It had a bunch of hats though 
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