The Hello Mario Engine is an open source engine for Game Maker Studio containing features from a variety of different 2D Mario games. This engine features tons of different powerups, over a hundred different enemies, and much, much more!
Downloads/Bug Reports What's new in v6.0? Code Rewrite: Newer, cleaner, fully commented code. High Resolution Filtering: Choose between HQ4X, HQ2X, and no filtering. Better Checkpoints: Supports infinite checkpoints per level. New Powerups: Propeller and Boomerang Mario. New Features: Mechakoopas, green bricks, triple wide question mark blocks, and more! Many Changes to Existing Features: Better world map level blocking, keyhole animation, convex corner support for wall triangles, and more!