Play the game Winter Challenge online in your browser for free on Favorite Games 24. Winter Challenge is a high quality game that works in all major modern web browsers. This online game is part of the Arcade, Sports, Emulator and SEGA categories. Winter Challenge has 1 likes from 1 user rating. If you enjoy this game, then play both Mario & Sonic games at the Winter Olympics and Sonic Winter Adventures. Favorite Games 24 brings you the best free downloads and fun to play on PCs, mobile phones and tablets. Every year, new arcade games and the most popular free online games are added every day.