Walmart via Google Express has for New Customers: Splatoon 2 for $53.08-20% with code SHOP2018 = $42.47. Shipping is free.
https://express.google.
Also: The Legend of Zelda: Breath of the Wild for $55.75 – 20% with code SHOP2018 = $44.6. https://express.google.
Mario Kart 8 Deluxe for $54 – 20% with code SHOP2018 = $43.2. https://express.google.
Nintendo Super Mario Odyssey for $48.66 – 20% with code SHOP2018 = $38.93.
https://express.google.
Note: SHOP2018 offers a 20% off up to $20. WINTER20 may also offers a 20% off, but up to $30. If you recently purchased the Switch, these games are great!