Mari0 is the first Super Mario Bros. game with a portal gun and it has a level editor. I created 4 levels, or a world, and I thought I share it with you guys! Instructions at the end of the post.
UPDATE: Video of the first level below!
And there's three more! With more action too
If you need help, view the other video walkthrough by clicking here
Here's how to download it and play:
1. You will need to download the game first. It's free! http://download.cnet.com/Mari0/3000-7433_4-75714261.html
2. Download my levels! http://www.mediafire.com/download/hiduo0ndetpeq8l/Super+Mario+Portal.zip
3. After running Mari0, select Map Packs on title screen to go to the Map Packs screen.
4. At the Map Packs screen Press M to open your computer folder of mari0
5. Open mappacks in the opened mari0 folder
6. After unzipping my file, move it to the mappacks folder.
7. At the Map Pack screen find and select my map file. Will have an image in the background like the first image of this post.
8. Go back to the title screen and play 1 player!
Enjoy and don't hesistate in giving feedback!