Sonic and All-Stars Racing Transformed will be free to play on Steam until 1 p.m. PT Dec. 8. Until Dec. 9, the game will also be discounted by 75 percent to $4.99.
Customers also have the option of buying a four-pack for the price of three. The deal includes four copies of the game (all of which can be given away as gifts) for $14.99. The package is normally priced at $59.99.
To play the game for free this weekend, download it from Steam. Buying a copy of the game will allow players to continue playing once the promotional weekend is over.
Polygon's review of Sonic and All-Stars Racing Transformed can be read here.