Greentube today announced that the Ski Challenge 09 season is officially open, with more than 1.3 million downloads within the first week after launch. Between 3.5 and 4 million gamers worldwide are expected for the new season, so check the press release for details as there are some top prizes on offer. Greentube also announced that for the first time the mobile version of the game will be available in several countries in addition to the PC version. Check our gallery for the first screenshots from the game.