Watch Dogs and Mario Kart 8 are the two major releases this week and of course Toys R Us has a sale revolving around both, even though they are actually separate.
By purchasing Watch Dogs this week, you can save 40% off any other PlayStation 4, Xbox One, PlayStation 3, or Xbox 360 game of equal or lesser value. In the same way, if you purchase Mario Kart 8 when it releases on Friday or on Saturday, you can save 40% off any other Wii U game.
If you are interested in either of these sales, make sure to make it to Toys R Us before the sale ends on Saturday.