
Thierry Varem-Sanders
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I was initially frustrated with this puzzle because there were not enough elementary levels to figure out how exactly the arrows work (what positions are on or off). I finally resolved that issue, and I am much more satisfied with the puzzles. They are challenging but not impossible. I would give it 5 stars if they put in more basic levels, or provided a 'training' level where you could test different switches, etc.

Mike Schultz
I solved level 19 and it failed me, I lit every light and LED, I solved it several different ways and it failed me. I'm uninstalling as soon as I leave this review.

Osama Helmy
love the simplicity of it, the background knowledge shared before the stage, and audio and sfx are not super annoying after hearing it for 2 min. too many ads tho. I might just buy it if the stages are worth it.