Cut Halo 5: Guardians levels
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The level known in development as "Tsunami Station" would later go on to be named Battle of Sunaion in the final game. Early drafts for the level had the mission split into two levels; one focusing on Blue Team and one focusing on Fireteam Osiris. Each level would have been slightly shorter than the one featured in the final game, and both would have featured the Arbiter fighting as an NPC, with the Locke mission showing him fighting in out-of-bounds zones. These iterations of the levels did not progress far into gameplay prototyping, and as such blockouts posted by level designer Jayce Diaz lack proper combat encounter zones.
A number of very early Halo 5: Guardians multiplayer map prototypes can be found in the files of the leaked Halo 4 tags build, alongside many cut Halo 4 levels. They can be signified by the file prefixes