


Online multiplayer is to be released in a future version. Up to four players can cooperatively play in the game. as well as sets of test chambers inspired by Portal 's Aperture Science, but a level editor, along with different graphic sets and shaders are provided to create new content. The core game uses the level designs from the original Super Mario Bros. This can be used for a number of gameplay options, often using vertical momentum entering one portal to "fling" the Mario character horizontally out of the other portal, but will also affect enemies and other game elements in similar manners. The game adds the concept of the "portal gun" from the Portal series the player can click with the mouse device on two separate surfaces on the level to create a portal between them. 2D platform game, where the player controls Mario via the keyboard, running and jumping through levels, avoiding or jumping on enemies to defeat them, while collecting coins to earn points towards their score. The core game of Mari0 plays directly from the 8-bit Super Mario Bros.
