VVVVVV: Make and Play editionThe VVVVVV: Make and Play Edition is a completely free, official version of VVVVVV that includes player levels, and the tools to create levels of your own! It does not include the original levels from the game.
The commercial version of VVVVVV is still available for purchase at https://thelettervsixtim.es/, and contains the original levels created by Terry Cavanagh.
Source codeThe source code for VVVVVV is available on github! If you're looking for the asset files to compile the game yourself, you can download them from here.
[Desktop data file]
[Mobile data file]
Please note that if you compile your own version of the game, under the terms of the VVVVVV license, you can not distribute these assets with it without first getting permission from Terry. (A complete list of projects that have been given permission to distribute these asset files can be found here.)