Here's a new platformer engine I've been working on, Feel free to remix the project and add more stuff. Arrow keys to move, space/up to jump, yada yada. This engine uses large 480x360 images for all the non-moving grass blocks and mushrooms, while all my other engines so far instead have a seperate clone/stamped sprite for each block in the level, which sometimes makes Scratch lag and limits the amount of stuff you can put in the level. This still uses the old cloning method for item boxes and objects that change when the player interacts with them. It also introduces a background layer for you to decorate the level with flowers and other stuff, but don't want the player to collide with.