These rarely-discounted Nintendo Switch games are $20 off for Prime Day

Super Mario Party: was $59 now $39 @ Amazon (opens in new tab)
Now it's a party! Outwit your friends and family as you race across the board in this multiplayer strategy game. Test your skills in a variety of fun mini-games (including 80 new ones), such as a miniature baseball face-off or tricycle race. You can even enjoy tabletop-style gaming in Toad's Rec Room mode, which lets you pair two different Nintendo Switch systems together.  

Zelda: Breath of the Wild: was $59 now $39 @ Amazon (opens in new tab)
Simply put, The Legend of Zelda: Breath of the Wild is reason enough to buy a Nintendo Switch, all by itself. This meditative open-world game casts you as Link, who must travel throughout Hyrule and forge alliances to face down Calamity Ganon and rescue Princess Zelda. The game is positively enormous, and incredibly immersive.

New Super Mario Bros. U Deluxe: was $59 now $39 @ Amazon (opens in new tab)
For single or multiplayer fun the whole family can enjoy, Super Mario Bros U Deluxe doubles as two games in one! Join Mario, Luigi, and their Mushroom Kingdom pals on all sorts of side-scrolling adventures. The controls are straightforward and simple to use, making this an ideal game for youngers players. And thanks to all the bonus content, you'll get hours and hours of interactive playtime. 

Mario Tennis Aces: was $59 now $39 @ Amazon (opens in new tab)
There's tennis, and then there's Mario Tennis Aces. Rally against your opponents in singles or doubles mode as one of 15+ different Mushroom Kingdom characters, serving up split-second trick shots to defeat other players. The Joy-Con controller is your racket, and it'll feel like one as you swing it around the living room. In Adventure mode, use those tennis skills to level up Mario, battle magical bosses, and stop Wario from his dastardly plans. 

Yoshi's Crafted World: was $59 now $39 @ Amazon (opens in new tab)
Take a backseat, Mario. This is Yoshi's world now. Jump into a new Yoshi adventure that lets you run, jump and explore colorfully crafted environments as you gulp down your enemies on the hunt for different collectables. Pass the Joy-Con controller to a friend, and you can team up as fellow Yoshis, or use the Mellow mode to give Yoshi wings. For extra protection, players can suit Yoshi up with unlockable handicraft costumes to get through each stage.