The developers of Metro are teasing their next game

It's been three years since Metro: Last Light launched, so we've been waiting a fairly long time for news about 4A Games' next title. Fair enough, they've released remastered versions of the Metro games, but we already know that they're working on something Metro related. Is a potential reveal incoming? The Ukrainian developer started their teasing with this post on Twitter:

By following the link you're taken to their Facebook page, and this image:

If this really is a sequel to Metro then the Rangers have really upgraded their gear. Maybe 4A has resumed the development of their suspended new sci-fi IP? With these teases we're guessing an official announcement isn't too far off. Stay tuned.