Following last year's sequel tease. Image credit: Eurogamer We already knew it was coming thanks to a brisk tease and subsequent announcement last year, but it looks like a proper Planet Zoo 2 unveiling could be imminent if an update to the series' official YouTube page is any indication. The original Planet Zoo launched back in 2019, building upon the success of Frontier Developments' theme-park-flavoured Planet Coaster with a fresh bout of management action, this time focussed on animals rather than giant metallic vomit machines. And it was good! Bringing some welcome depth to the 'Planet' formula as park building and tycoon-ery collided with animal acquisition, breeding, care, and enrichment. Here's a trailer for the original Planet Zoo. Watch on YouTube As for a potential sequel, Frontier teased it was in the works last November , cheekily sticking the number '2' at the end of a Planet Zoo six-year anniversary video.…