The Terrifying Secret of the Galaxy Revealed! Marathon 2: Durandal
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32:27
The Creepy, Mind Blowing End of Marathon (Bungie)
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30:03
The Halo Movie LEAKED... And it is AWESOME. (Flood Horror)
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30:07
The Story and Lore of Marathon EXPLAINED (Bungie's Halo Precursor)
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2:29:09
Doom popularised the FPS, Marathon advanced it - a Marathon (1994) analysis
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42:52
The Strange and Disturbing Halo Conspiracies of the ‘Halo Iceberg’ Explained
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15:46
The Terrifying Automoton Lore and Anatomy
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1:22:03
MARATHON 2 is surprisingly bad.
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32:23