Luise and Secret Basement Rooms

The original Halo might not be the only entry in the series to get a full redo, with the secret ending of Halo: Campaign Evolved giving a wink and a nod to fans by hinting at a Halo 2 remake. Spoilers for Halo: Campaign Evolved (and the 2001 original) follow. Completing the campaign on Legendary difficulty adds a light-hearted sequence featuring Sergeant Johnson, who is relaxing on a makeshift beach chair on the shore while somehow viewing the original Legendary joke ending from Halo: Combat Evolved. After realizing that the eponymous Halo is exploding (spoilers for the 2001 original, I guess)