3 new pictures from the game were released. This new park themed game will include coop play up to 4 players. Buidling of roller coasters should be easier and possilbe to alter whenever you want. And you can even save your blueprint, upload it for others on the web and download other blueprints to place them in your park.
And last important information: RollerCoaster Tycoon World will not offer any in-game micro-transactions.