Campaign
Gameplay
Impressions
Eurogamer - http://www.eurogamer.net/articles/2015-09-23-on-the-hunt-for-halo-5s-spark
Polygon - http://www.polygon.com/2015/9/23/9380981/halo-5-singleplayer-preview-gameplay-video-campaign
Engadget - http://www.engadget.com/2015/09/23/halo-5-guardians-is-good-fun-but-its-better-with-friends/
GamesRadar - http://www.gamesradar.com/halo-5-guardians-campaign-preview/?tag=grsocial-20
GameSpot - http://www.gamespot.com/articles/halo-5-guardians-introduces-huge-missions-and-inti/1100-6430781/