(requires flash player 9)
Lightshift is a puzzle game; it's a flash version of NetWalk, similar to that in drizzle. The game requires Flash 9, and instructions are provided in game.
The simplest way is to donate via paypal, which allows us to continue to work full time on things such as this and the other projects on our site. Even simpler would be to post in our forums, even just to say hi, since we like the encouragement; playing to an empty house is a lonely task!