Improvements:

• Added an UI randomizer
• Added UI animation and movement
• Added a moving laser block and associated laser!
• Added more difficulties parameters
• Added three new levels
• Added a new hard mode
• Added a delete save button

Bug fixes:

• Fixed sprites hovering other sprites from time to time
• Removed misleading UI sprites
• Fixed win / loose issues
• Fixed lasers bad behaviors

Thanks for playing the prototype!