Here’s a short one that I really liked: Noyb’s “Victuals“! He’s not the first person to make a pure story level in VVVVVV, but this one’s my favourite so far.
(forum thread)
To play a VVVVVV player level, extract the .vvvvvv file into your VVVVVV levels folder. On windows, that should be in My Documents/VVVVVV, on Mac it’s Documents/VVVVVV, on Linux it’s ~/.vvvvvv