Update 28 Aug: Added detailed click patterns
Update 16 Jul: Minor formatting changes
Update 19 May: Slightly modified last two solutions
Update 26 Apr: Added video
Update 24 Apr: Complete revamp of first post to make it clearer
Hello everyone! I'm new to FR, but I was pleasantly surprised to discover that one of the best money-making minigames is one that I already knew how to play! I learned how to play G&G Hard in another game, and here I'm going to share the solutions I learned, so you too can optimise your play.
If you follow this method correctly, you can solve every game in less than 40 moves and finish your Lucky Streak in less than 20 minutes. (If you are still learning you will take longer, but you will get more accurate and faster with more practice!)
Demonstration Video - Lucky Streak cleared in about 18 minutes
I like to play by covering the board with sun and from left to right, but of course this also works for both colours and any direction.
Part 1
We want to simplify the board by removing most of the dark spaces. First, check the hex on the very left. If it is light, do nothing. If it is dark, flip it to light by clicking the hex to the right of it.
After that, check the hexes in the next column.
Look at the two hexes with the line running through. The hex above is already light, so we don't need to do anything. However, the hex below is dark, so we have to flip it. Again, click the hex to the right.
Continue doing this to clear the board. This part is important so I must really emphasize: PROCEED STRICTLY FROM LEFT TO RIGHT.
That means after you are done with A, check the hexes labelled B, and make sure you have finished checking and flipping both B's before you move on to C. Make sure you have finished checking and flipping all the C's before you move on to D, and so on. Do not skip columns even though it might be tempting to just click to the right of any hex that is dark. If you flip a hex further right too early, you may be wasting moves, because you can't tell beforehand if it would be affected by another hex nearby.
However, the order which you fix them within the column does not matter. (So you can do the two B's in any order, the three C's in any order, etc)
Is the board clear already? Congratulations, count yourself lucky (mathematically this is only supposed to happen 1/72 of the time, but anecdotally it happens a lot more often, due to FR's generation algorithm). If not, proceed to the next part.
Part 2
If you have done the previous steps correctly, you should have some dark hexes on the right edges of the board, and nothing else. The pattern should also be horizontally symmetrical.
We will click a few hexes along the bottom left edge (and sometimes the top left edge). The correct patterns are below, but for this puzzle this is the one we need to use:
After you have clicked the hexes with stars on them, you should have a few dark hexes at the left part of the board.
Clear them the same way you previously did in part 1 (click the hex to the right, proceed from left to right) and the board will be clear!
The solution patterns
Unfortunately there isn't any simple rule that governs all the solutions, you have to refer to or memorise them. Fortunately, there are only seven of them.
You can click the stars in any order.
If you've made it this far, thanks for reading! This is essentially all you need to know - the next part is entirely optional to read. If you are stuck or have any questions, write them here and I will be happy to help! (I'm subbed so no need to ping, but my timezone is FR+15.) I hope this will help you clear your Lucky Streak faster than ever before!
Update 16 Jul: Minor formatting changes
Update 19 May: Slightly modified last two solutions
Update 26 Apr: Added video
Update 24 Apr: Complete revamp of first post to make it clearer

If you follow this method correctly, you can solve every game in less than 40 moves and finish your Lucky Streak in less than 20 minutes. (If you are still learning you will take longer, but you will get more accurate and faster with more practice!)
Demonstration Video - Lucky Streak cleared in about 18 minutes
I like to play by covering the board with sun and from left to right, but of course this also works for both colours and any direction.



After that, check the hexes in the next column.

Look at the two hexes with the line running through. The hex above is already light, so we don't need to do anything. However, the hex below is dark, so we have to flip it. Again, click the hex to the right.
Continue doing this to clear the board. This part is important so I must really emphasize: PROCEED STRICTLY FROM LEFT TO RIGHT.

That means after you are done with A, check the hexes labelled B, and make sure you have finished checking and flipping both B's before you move on to C. Make sure you have finished checking and flipping all the C's before you move on to D, and so on. Do not skip columns even though it might be tempting to just click to the right of any hex that is dark. If you flip a hex further right too early, you may be wasting moves, because you can't tell beforehand if it would be affected by another hex nearby.
However, the order which you fix them within the column does not matter. (So you can do the two B's in any order, the three C's in any order, etc)
Is the board clear already? Congratulations, count yourself lucky (mathematically this is only supposed to happen 1/72 of the time, but anecdotally it happens a lot more often, due to FR's generation algorithm). If not, proceed to the next part.


We will click a few hexes along the bottom left edge (and sometimes the top left edge). The correct patterns are below, but for this puzzle this is the one we need to use:

After you have clicked the hexes with stars on them, you should have a few dark hexes at the left part of the board.

Clear them the same way you previously did in part 1 (click the hex to the right, proceed from left to right) and the board will be clear!



You can click the stars in any order.

If you've made it this far, thanks for reading! This is essentially all you need to know - the next part is entirely optional to read. If you are stuck or have any questions, write them here and I will be happy to help! (I'm subbed so no need to ping, but my timezone is FR+15.) I hope this will help you clear your Lucky Streak faster than ever before!