Download And Play Vertex Dispenser Demo
Currently I'm writing something about how much I like Vertex Dispenser (as well as offering a couple of criticisms). But I've just realised that it will be much easier for people to join in and/or ask questions in the comments that follow if they've played the demo. The demo is on Steam. The game is a fairly complex action puzzler that you will probably enjoy. The download is tiny. Play it.