Press the green flag to start. Move the "camera x" slider to move along the X axis. Move the "camera y" slider to move along the Y axis. The order of the blocks are randomized each time.
I got all sprites from @griffpatch_tutor 's Tile Scrolling Tutorial Assets | Parts 1 to 10 . He says he got it from Super Mario Advance 4 (SMB 3). I followed a tutorial by him to make this project. This is part 2 of the series.