This title is the third video game collaboration between Nintendo and Sega. According to gaming site IGN, development began immediately after the initial Olympic game was released in November 2007. An iPhone OS app version was released in January 2010 by Sega. Due to only containing Sonic characters, the game is simply titled "Sonic at the Olympic Winter Games". The Wii version of "Mario & Sonic at the Olympic Winter Games" received a generally positive reaction from critics. The Wii version had a higher score than the DS version. GameRankings lists the average scores as 77.86% for the Wii version and 70.95% for the DS. "IGN" said of the DS version that "Most of the events also use a whole lot of waggle or over-exaggerated controls where it could have made for a better experience", giving the DS version a 6.5. X-Play's Adam Sessler asserted that the Wii version of the game is not that hard and the events interesting, but he claimed that the controls are too easy, despite praising the Dream Events. Accordingly, he gave it a 3 out of 5. GameSpot agreed, criticizing the uninteresting mission objectives in the DS version. "Nintendo Power" was very disappointed that players can still use Wi-Fi only for worldwide rankings. No online play is available. GameTrailers also gave the Wii game a 5.2, criticizing the hit and miss motion controls. GamePro agreed, stating that "Where the original had a sense of novelty and charm, the sequel feels a little dated and tired." "GamesMaster" praised the game, saying that it "justifies the hype." "Eurogamer" also praised the game, stating that "It's true to say that Mario & Sonic at the Olympic Winter Games is no Mario Kart. But it's a fun, polished party game with broad appeal, and a marked improvement over the previous one." Gamervision praised the game also, stating that "Mario & Sonic at the Olympic Winter Games isn’t going to surprise anyone with its gameplay, graphics, controls, or concept, but it’s a perfectly serviceable party game for the Wii." "Nintendo Life" praised the events of the game, giving it a 9/10. "IGN" called the Wii version "impressive", giving it a 7.5. By December 31, 2009, the game had sold approximately 5.67 million copies, making it Sega's best-selling game in the fiscal year starting that March.   is a sports game developed by Venan Entertainment and published by Sega for iOS.