I have amassed over 10,000 coins that have no use for me. I only use my coins for the occasional unnecessary hint to earn diamonds from weekly challenges like “use 2 hints” So really I only use a couple hints a week because I don’t need them. What you will earn a ton of is coins, which are only useful if you have no idea how to complete a nonogram puzzle. You also earn diamonds on a time based schedule, but the amount it caps out to is only enough to play one or two puzzles towards the end of a chapter when only “Very Hard” pricier puzzles remain. You pay with a lot of diamonds to play, and only earn a couple for completing. Basically, the reward ratio needs improvement. I love nonograms and pretty much all of the competing apps that i’ve tried can’t compare. This game is one of only two that have managed to keep me interested for many months. Most games i’ll only keep for a week before it falls to the background and gets deleted. It’s hard for a game to keep my attention for long.

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