In the newest Advanced Warfare’s DLC pack, Supremacy, the new map Compound features an easter egg: if you enter spectator mode (in private match) and go out of the map, there’s a full re-creation of Modern Warfare 2’s Rust map just outside the playable area of Compound.

It’s not clear as to whether Sledgehammer Games is hinting that Rust could be coming to Advanced Warfare or if this is just an easter egg for fans to discover.

YouTuber PrestigeisKey made a video on this showing the location of this easter egg: