Halo Wars 2: Announce Teaser
From Halopedia, the Halo wiki
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The Halo Wars 2: Announce Trailer is a pre-rendered trailer showcasing the return of the Halo Wars RTS to the Xbox One and Windows 10 in Fall 2016
Transcript
"Command this is red team. Something hit us. Douglas down. Immediate Evac requested." "We need extraction!" "Yes. Run little demons!" "Hunt them down!" "Xbox One now $349.
Sources