It's-a Mario Day! March 10 has been recognized as the day Nintendo celebrates its biggest icon, and, like previous years, the company is offering big discounts on several games starring the mustachioed plumber through its eShop and select retailers. On average, you can expect to save $20 on each Switch game, and several of Mario's greatest hits are included in the sale, such as Super Mario Odyssey, Super Mario 3D World + Bowser's Fury, Paper Mario: The Thousand-Year Door Switch remake, and...