Happy Mario Day! To celebrate the worlds most iconic plumber, Nintendo has all sorts of treats for fans, including a new Nintendo Switch bundle, a new Mario Kart Lego set, and a new theme for its cutesy Alarmo clock. Nintendo has also launched a massive sale in commemoration of so-called MAR10 Day, which will run through March 16th and includes dozens of both new and classic Mario titles some of which are down to their lowest price to date.RelatedNintendos list of discounted titles is pretty extensive, so to save you some time, we went ahead and rounded up the highlights below (including picks from Amazon, Walmart, and other retailers). Its not just games that are on sale, either; weve also sprinkled in a few of our favorite deals on Lego sets and other Mario-related gear.The best Mario Day deals on Nintendo Switch gamesSuper Mario Bros. Wonder$42$6030% off$42Super Mario Bros. Wonder, the first mainline entry in the series since Super Mario Odyssey, offers plenty of whimsy, great puzzles, and enough side-scrolling stages to satiate anyone nostalgic for Marios earlier 2D escapades. Read our review.Super Mario Odyssey$40$6033% off$40The first mainline Mario title for the Nintendo Switch, Super Mario Odyssey, doesnt disappoint. The game brings plenty of fun, new mechanics, and ample charm. Read our review.Super Mario RPG is on sale at Walmart, Amazon, and Target starting at around $38 ($23 off), which is one of its better prices to date. The 2023 game is an excellent remake of the beloved SNES RPG, with adorable new visuals and the same Final Fantasy-style turn-based battles. Read our review.Target, GameStop, and Walmart are selling Princess Peach: Showtime! for $39.99 ($20 off), which is its all-time low. The first Mario game starring Peach as the main protagonist in nearly 20 years is both playful and clever. Its a bit simplistic, but it still represents a significant improvement over its predecessor, Super Princess Peach, with Peach showing a lot more personality. Read our review.Mario Kart 8 Deluxe$40$6033% off$40Mario Kart 8 Deluxe is a popular kart racing game packed with plenty of courses and characters, as well as 48 new tracks if you opt for the paid DLC.Mario + Rabbids Sparks of Hope$15$6075% off$15Mario + Rabbids Sparks of Hope is an excellent turn-based strategy game that pairs classic Mario characters with the chaotic Rabbids for an encore performance.$15 at NintendoNow through March 21st, Woot is selling Super Mario 3D World + Bowsers Fury for $41.99 ($18 off), which is one of its better prices to date. The remake of the Wii U classic takes the base game and adds Bowsers Fury, a new open-world expansion that has players going up against a kaiju-like Bowser. It also includes 82 different courses you can complete with up to three other players. Read our review.Yoshis Crafted World is available for $39.99 ($20 off) from Walmart, GameStop, and Nintendo. The simple adventure game features a pretty leisurely pace and stars a woolly version of Yoshi in a papercraft world, one that must eat enemies and solve puzzles in order to progress. Read our review.Luigis Mansion 3$40$6033% off$40Luigis Mansion 3 is an adorable puzzle platformer with light co-op elements and a tinge of horror.Luigis Mansion 2 HD is down to a new low of around $40 ($20 off) at Walmart, Best Buy, and GameStop. Released last year, the ghost-hunting adventure game is a remake of the 2013 game Luigis Mansion 2: Dark Moon. It offers the same storyline and gameplay, but features improved HD visuals and audio as well as some new features, including a new gallery and bestiary function.Mario vs. Donkey Kong is on sale for around $30 ($20 off) at Walmart and GameStop. The game is a remake of the 2004 Game Boy Advance classic, in which players must jump through various side-scrolling puzzles to retrieve miniature Mario toys stolen by Donkey Kong.You can buy the Super Mario Bros. Wonder bundle from Nintendo, Walmart, and Best Buy for $349.99. The bundle includes a Nintendo Switch OLED along with a digital download of Super Mario Bros. Wonder. Nintendo is also throwing in a three-month individual subscription to Nintendo Switch Online, which, when all is said and done, saves you about $68.Amazon is discounting a few Mario-themed PowerA Wireless Controllers to $33.74 ($11 off), including models that take after Bowser, Princess Peach, and Mario. The wireless gamepads feature remappable buttons and motion controls, as well Bluetooth support. You dont get HD Rumble or some of the more advanced features found on Nintendos official Switch Pro Controller, but theyre a nice budget-friendly alternative.Lego Piranha Plant$48$6020% off$48Legos 540-piece Piranha Plant set remains one of the more affordable Lego Mario kits you can buy. Its got a massive mouth, posable leaves, and comes with two coins inspired by the classic franchise.Now through the end of today, March 10th, Best Buy is discounting a couple of Mario-centric Lego sets, including Bowsers 458-piece Muscle Car Expansion Set, which includes a race car and Bowser brick figure for $25.49 (about $5 off). You can also grab the 173-piece Goombas Playground set for $10.99 ($4 off), which comes with three Goomba figures, a buildable tree trunk, and a seesaw.The Art of Super Mario Odyssey is on sale for $28.49 ($21 off) at Amazon. The 368-page tabletop book features concept art, preliminary sketches, and notes from the 2017 Mario game.See More: