This triggered debate on the team, some of whom wanted to release the game for older consoles to maximise profit. "" took three-and-a-half years to develop and cost over $81 million. After multiple delays, it was released in May 2015 to critical praise. "Wild Hunt" was commercially successful, selling six million copies in its first six weeks and giving the studio a profit of 236 million złoty ($62.5 million) in the first half of 2015. The team released 16 free content downloads and two paid expansions, "" and "". CD Projekt released two other "The Witcher" games: "The Witcher Adventure" (a board game for PC, iOS and Android) and "The Witcher: Battle Arena", a multiplayer online battle arena game for iOS and Android. In December 2015, CD Projekt Red won the "Developer of the Year" award at The Game Awards 2015. In March 2016, the company announced that they had another role-playing game in development, and that the title is scheduled to be released in the period of 2017 to 2021. They also announced plans for expansion, where the Red division will expand two-fold. At E3 2016, the company announced "", based on the popular card game known as Gwent from "The Witcher 3". In March 2018, the opening of a new studio in Wrocław, supporting the development of "Cyberpunk 2077", was announced. Acquired from a studio called Strange New Things, it is headed by former Techland COO Pawel Zawodny and composed of other ex-Techland, IO Interactive, and CD Projekt Red employees. In August 2018, CD Projekt established Spokko, a development studio focused on mobile gaming. REDengine is a game engine developed by CD Projekt Red exclusively for their nonlinear role-playing video games. It is the replacement of the Aurora Engine CD Projekt Red had previously licensed from BioWare for the development of "The Witcher". REDengine is portable across 32- and 64-bit software platforms and runs under Microsoft Windows. REDengine was first used in "" for Microsoft Windows. REDengine 2, an updated version of REDengine used in "The Witcher 2", also runs under Xbox 360 and both OS X and Linux, however these ports were made using a compatibility layer similar to Wine called eON. REDengine 3 was designed exclusively for a 64-bit software platform, and also runs under PlayStation 4, Xbox One, and Nintendo Switch.