In order for the conditional to apply, lightbot has to the the color of the square; this means you need to turn on your light on the orange square in order for the orange break to function. Very unintuitive.
The hard challenge is earn 77 stars, but to get that, you have follow them on Twitter and friend them on Facebook. I love the game, but that's a crap requirement, Kong.
 "Lightbot 2.0"){kind=icon}
 "The Valley Rule"){kind=icon}
 "Kingdom Rush Frontiers"){kind=icon}