Super Mario Bros. X is described as '1.3.0.1 is a massive Mario fangame that blends elements from Super Mario 1, 2, 3 and World. It has many power ups, such as the Ice Flower, Hammer Suit, Tanooki Suit, Kuribo’s shoe, The Billy Gun, and Yoshi' and is an app. There are nine alternatives to Super Mario Bros. X for a variety of platforms, including Windows, Linux, Mac, Android and Chrome OS apps. The best Super Mario Bros. X alternative is SuperTux, which is both free and Open Source. Other great apps like Super Mario Bros. X are Super Bombinhas, Mega Mario, Moondust Project and Mushroom Kingdom Fusion.
SuperTux is a classic 2D jump'n run sidescroller game in a style similar to the original Super Mario games. Instead of Mario, the hero in this game is Tux, the mascot of the Linux kernel.
Super Bombinhas is a 2D platformer in the style of the old classics like Super Mario World. It features a story mode with 7 worlds in the main quest and an unlockable secret world/level, as well as a level editor, allowing you to create and play your own levels using every...
Mega Mario is a Super Mario Bros. 1 clone. It features everything the original features - with better graphics, higher resolution, smoother movement and new levels. The story of Mario and Luigi continues, in old-school style.
This is a free and open-source game engine and toolkit allowing you to create games of the platforming genre. Formerly known as PGE Project.
Mushroom Kingdom Fusion is a (as yet unfinished: v0.7) non-profit fan-made platforming video game that is based on Super Mario Bros. It is a Crossover with elements, characters, and settings from a multitude of other video games.
TheXTech - it's a platform game engine written in C++, is a full port of source code of SMBX 1.3 (Super Mario Bros. X fangame) which was originally written in Visual Basic 6. Created by Vitaly Novichkov (known as "Wohlstand") after one month since original SMBX...
Gilbert and the doors is a 2D platform game, written in C language/SDL1.2. This is simple, but nice to play. The game contain 22 levels with an evolutive difficulty. Source code ready for windows and linux platform.
Super Mario Bros X2 (SMBX 2.0) is an evolution of Redigit's SMBX fan game engine with new playables, NPCs, blocks, game modes, and much more!.
Super Mario Flashback is a fanmade ?Mario games that combines the mechanics of 2D and 3D Super Mario titles with beautiful graphics and an original soundtrack.
United States
Russia
This is basically Super Mario Bros. X, but it's free/libre/open source and has a native GNU+Linux port.