WIP Sandbox Puzzle Game - Feedback and playtesting :)

The game is work in progress, and can be played here:

http://deanastley.com/Parallel/web.html (Web version)
http://deanastley.com/Parallel/win.zip (Windows version)

Any comments and feedback is appreciated. There is also a short survey to complete if you have played the game:https://surveyplanet.com/54f4e1c9648b0444475234c2

Some screens of the game: http://imgur.com/a/jW3Lm





Thanks