Boardgamegeek https://boardgamegeek.com/boardgameexpansion/204507/steam-park-robots
English - In Roboburg, everything is getting fancier! The city's Mayor has decided that finally the time has come for every citizen to get a free upgrade! Thanks to the amazing income the theme parks provide to City Hall, all the Roboburgers received a major luxury treatment for their chassis!
Official http://www.horrible-games.com/bg-steampark-robots/
English - With Steam Park: Robots, you will be able to upgrade your copy of Steam Park with shiny plastic Visitors and a new embroidered bag! You’ll also get to know the new special V.I.R. Visitors!