Mari0
Combine classic side-scrolling platforming with a portal gun in a free fan-made puzzle platformer for Windows.
Free to play
Claim this free game to your account. You can download an available package directly or use the optional Windows platform for installation and updates.
What players should know
Mari0 asks what happens when a familiar platforming world gains a portal gun. Link two surfaces, redirect momentum and rethink how to cross a room or reach a goal. The package also includes local cooperative play and a level editor for experimenting with the mechanics beyond the original stages. This is the classic Mari0 1.6 Windows package. Mari0 is an unofficial fan project and is not an official Nintendo or Valve release. Its bundled notice specifies CC BY-NC-SA 3.0; third-party characters and other material retain their respective rights. How do I install Mari0 on Windows? Extract the entire mari0-win.zip ZIP into a writable folder, keep its bundled files together and run mari0_1.6.exe. This package has been checked for download integrity and Windows executables, but has not been installed or play-tested by NeonRoof. Is Mari0 free? This Windows package is free to download and play. Separate editions and the creator’s license terms remain applicable. How is the download delivered? The download button uses the creator’s public ZIP download or official project release asset. No Steam or Epic installation is required for this package. Screenshots and video The gallery uses original creator or project images. The featured video is “Mari0 Teaser Trailer - Mario Portals” by Stabyourself.net. Creator-linked trailer. Independent catalog listing. NeonRoof is not affiliated with or endorsed by this project's developers. Downloads are provided by the project's official distribution source.
Latest patch notes
Download and ZIP integrity verified 2026-10-18. This is the classic Mari0 1.6 Windows package. Mari0 is an unofficial fan project and is not an official Nintendo or Valve release. Its bundled notice specifies CC BY-NC-SA 3.0; third-party characters and other material retain their respective rights.
Key features
- Portal-based platform puzzles
- Local cooperative play
- Built-in level editor
- Standalone Windows build
- Game modes
- Single-player; local cooperative multiplayer
- Languages
- See the included game options and creator documentation for this release.
- Controls
- Keyboard and mouse for portal aiming; consult the game options for local-player controller mappings.
Before you install
Minimum
Windows PC with space for the ZIP and its extracted contents. Consult https://stabyourself.net/mari0/ for release-specific hardware requirements and compatibility. Legacy Windows games may need additional compatibility settings.
Recommended
Consult the creator’s documentation and in-game settings for compatible hardware and input options.
Gameplay and presentation
Quick preview
Explore Mari0
Mari0 FAQ
What is Mari0?
Combine classic side-scrolling platforming with a portal gun in a free fan-made puzzle platformer for Windows.
Is Mari0 free?
Yes. Mari0 is listed as a free game on NeonRoof.
Where does the Mari0 download come from?
NeonRoof sends players to the official Mari0 project or developer distribution source. NeonRoof does not claim to be the game's developer.
Which platforms support Mari0?
PC
Is Mari0 open source?
The code license is CC BY-NC-SA 3.0 notice in the bundled game; third-party rights remain. The media license is Original creator/project images; separate rights and notices apply. Code and artwork can use different licenses, so check the linked project notices before redistributing or modifying the game.
Unofficial Mari0 shirts, mugs, hoodies, hats, mouse pads, and more
No game-branded merchandise is currently published. Generic recommended gear appears below when available.
Gear for playing Mari0
Generic PC gaming accessories selected for NeonRoof players. These products are not official Mari0 merchandise or endorsements.
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