Based on all those games with the similar rules. Click a marker to turn over all adjacent markers.
This one's 1-dimensional though, so you should be able to plan all your moves ahead on each level.
I really enjoy reviews - tell me what you liked/disliked. I respond to all.
Time taken - 2hrs, 30 min (from time opening Flash to time of submission).
Learnt about 2D arrays and other stuff.
To-do ideas list:
play through the 128 permutations. Work out min. clicks needed for each and pick maybe the 10 most interesting to act as levels.
Maybe have 3 modes - 1 where you play those ten levels, one where you play 10 random levels, one where you just keep playing through the 128 permutations. Although that last one seems a bit too silly.