Prototype Feedback "Limb for Limb"

Help me make this game better

Thank you for trying my game!
Keep in mind that its a prototype to test the main ideas

The final game will be story driven with voice-overs, cut-scenes and animations. All these questions are focused on game-play, not on the story.
1.One of the main game mechanics is to (re)build your character. In what way did you like this mechanic?
2.The other main mechanics is that you can get hit with sticky negative cubes instead of dying. What do you think about this mechanic?
3.Did you like the idea of the main character being a simple collection of cubes?
4.I would like to play the final game on: