This is a fiendishly difficult puzzle. Essentially, I saw the classic Soko-Ban in glorious CGA graphics, and thought that I could do better than that. Therefore, the game contains four differently-colored block types, one-way arrows, wrapping screens, some other new puzzle elements, and many tricky levels.
Its initial release on the BBS scene went mostly unnoticed, but a decade later it received a warm reception among niche fans on the internet. It features old-school VGA graphics, dozens of mindbending puzzles, and an undo button.