Play Hello, Mario! on PC and Mac

About the Game

Nintendo's Hello, Mario! is not your typical game. There are no levels to complete, no coins to collect, and no enemies to defeat. Instead, this free application from the My Mario brand offers something far simpler and arguably more magical for its intended audience: a chance for very young children and their caregivers to interact directly with one of gaming's most iconic faces in the most playful way possible.
At the heart of the experience is Mario himself, rendered in a soft, expressive style that instantly appeals to little kids. The main activity involves touching, poking, pulling, and spinning Mario's face to watch it react in endlessly amusing ways. His cheeks can be stretched, his nose can be tapped, and he can be spun around the screen, each interaction prompting a new expression or sound that tends to produce delighted giggles from its young audience. The simplicity is completely intentional. There is nothing complicated to learn, no tutorial to sit through, and no rules to follow. You just play.
Adding more variety to the sessions is a Question Block located in the top-left corner of the screen. Tapping it opens a small icon menu that lets players bring various elements into the scene:
Classic items like the Super Mushroom and Super Star appear alongside Mario
Familiar green pipes pop up to decorate the space
Well-known enemies from the Mario universe can be summoned to join in
Each addition creates a new visual moment for children to react to
One of the most charming features is the peekaboo mode, which can be activated through the leftmost icon in the Question Block menu. Tapping it invites Mario to play a round of peekaboo, complete with the possibility of a surprise guest appearance from Boo, the mischievous ghost from the Mario series. It is a small touch that carries a lot of personality and tends to catch both kids and parents off guard in the best way.
Nintendo has also built a thoughtful screen time tool directly into the app. After an extended play session, Mario will naturally grow tired and fall asleep on screen. Once he drifts off, no amount of poking or tapping will wake him up, which creates an organic and low-conflict moment for parents to step in and end the session. For families who prefer to manage screen time manually, this auto-sleep feature can be switched off through the gear icon in the settings menu, accessible from the app's start screen.
Since Hello, Mario! requires no internet connection after the initial download, it is genuinely portable and accessible anywhere. Whether a child is using a tablet at home, a phone on a trip, or a PC running MuMuPlayer, the experience remains consistent and uninterrupted. Parents do not have to worry about connectivity, buffering, or unexpected interruptions during playtime.
For those using MuMuPlayer to run the app on a larger display, the benefit is immediate. Mario's expressive animations and colorful visuals fill the screen in a way that naturally captures a toddler's attention, and the touch simulation through mouse or trackpad keeps interactions smooth and responsive. It is a comfortable setup for shared play between a parent and child sitting together at a desk.
Hello, Mario! may be one of the simplest apps Nintendo has ever released, but its charm is undeniable. It asks very little of its players while delivering genuine moments of laughter, connection, and wonder, which is exactly what the best children's experiences are designed to do.