Excellent game by an amazing company, please leave your products on the app store forever.
I'd like a harder mode for gallery where the hidden base 10 centric concatenation operation is turned off, and perhaps an extra hard gallery as well with factorial and square root single operation disabled.
I'm kind of amazed at how few of the puzzles need you to outside the 1 to 100 range as part of the optimal solution.
It certainly makes you appreciate how 2 (1 + 1) and 3 (1 + 1 + 1) are nearly all you need.
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