Switch gamers are in for a treat as Mario Tennis Aces is available at a fantastic deal on Amazon. This engaging and fun Nintendo Switch game, normally priced at $59.99, is currently available for a much more approachable $39.99. That's a solid 33% off the original price of this super-popular arcade sports game, which is among the best-selling titles for the platform. Now, with the limited-time discount, gamers can save $20 on the purchase, but be quick as the discount is not going to last forever.