Millie and Molly

"Millie and Molly" is a retro-style puzzle game with 100 levels across five worlds and a level editor, originally created for Commodore 64 hardware. The game boasts rewind time feature, letting you correct mistakes, and features eight pieces of music. It includes updates for both PAL and NTSC formats, and is available in .d64, .t64, and .prg file formats.