Marathon still hasn't unlocked its fourth zone, but this group of ARG hunters is working to change that - and they're on the cusp of something big

An army of sleuths on Discord - the Breachers of Tomorrow - just cracked puzzle 4 of 7 in Bungie's Marathon ARG, using Durandal's lines and hidden terminals to beat a looping digital maze at dawn. Cryo Archive still locked. Who solves step 5?

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