Angry Birds: Bird Island

Angry Birds: Bird Island (also known as "Project Espoo") is an official roleplay experience on Roblox which had it's Closed Beta for members of the group called Metaverse Team - RP started in early December 2021 from December 9th till probably the end of the week. The game came out of closed beta on December 16th, 2021.

(Beta)
Welcome to Bird Island! Explore the island, raise your hatchlings and create your very own Bird citizen! Traverse the island on foot, by car or sling yourself across the island with the slingshot!

(Final:)
"Welcome to Bird Island! Roblox’s best bird roleplay game.""Raise and dress your hatchling pets, own a beautiful bird home, and become a bird citizen yourself! Use the slingshot, or take a drive in your car to explore the Island.""© 2021 Rovio Entertainment Corporation. Angry Birds and all related properties, titles, logos and characters are trademarks of Rovio Entertainment Corporation and Rovio Animation Ltd. All Rights Reserved. Used with permission."

Announcement:
On December 13th, the official Angry Birds Twitter tweeted a picture of a Red bird Roblox character made out of cardboard boxes in the Rovio lobby in Espoo, Finland with the caption "this is a teaser". Then around an hour later, the account tweeted: "how do u log in to roblox ?" Then, on December 16th, the Angry Birds Twitter officially posted their announcement with a teaser trailer.

Gameplay:
In this game, you are greeted by Red, who tells you to meet up with Chuck. Chuck shows you around the island and introduces you to Bomb. Bomb tells you information about your Hatchling. Then Silver shows you how to apply for jobs around the island to get hourly paychecks. You can switch from humanoid and bird form whenever you 'd like in the game. You can also take jobs around Bird Island, such as professor and a shop keeper. You can also drive cars and rent houses.

Sources:

 * Roblox Experience Page
 * Metaverse Team - RP Group
 * Apparent proof of game being affilated with Rovio
 * Twitter Announcement