Gilbert and the doors Alternatives

SuperTux is a classic 2D jump'n run sidescroller game in a style similar to the original Super...

SMBX engine, rewritten into C++ from VisualBasic 6.

#1 Employee monitoring software that gives you unparalleled data about your team’s work habits. Take a deep dive into individual or organisational productivity metrics through real-time or historical data.

Try for free paid Free Trial $6.4 / Annually (per employee per month (billed annualy))

The greatest fan-made tribute to Super Mario of all time!

Sidescrolling platform adventure featuring stick-figure graphics and parkour gameplay.

The multiplatform game creation tools for everyone.

Open Source

A massive crossover Mario-esque fangame from way back, now back from the dead. Relive the nostalgia

This is a free and open source game engine and toolkit allowing you to create games of the...

Secret Maryo Chronicles is an Open Source two-dimensional platform game and is using an Open Graphics Library for the best possible graphic design and stock performance.

Alex the Allegator is a series of games that I, Johan Peitz, usually use for game coding challenges...

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!

Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.

Libre puzzle platformer for gravity-oblivious aliens

A colorful and creative 2D platformer with a LEVEL EDITOR!