Halo CE: Havoc Mod - 4K - Keyes - Legendary Playthrough (Co-op) 

In a nutshell what this Mod Contains:
-Nostalgia stuff from the Digsite-Team.
-Epic Music from other Halo Games.
-Flood Models from Rubys Rebalanced.
-More enemies, weapons, vehicles and friendly units have been added in each mission. It's literally Halo Wars in FPS.
-And a Background Video from Halo Evolution; the "Mona Lisa".
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