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https://www.gamerefinery.com/the-future-of-match-3-what-you-need-to-know-part-ii/
match-3 monetization mobile IAP
An analysis of single-dimensional match-3 games, and three tips to make excellent ones, based on data: provide lots of things to play with, supply new mechanics over time, and lower the barrier for in-app purchases (IAP)
https://www.gamerefinery.com/the-future-of-match-3-what-you-need-to-know-part-i/
match-3 monetization mobile IAP
A look at single-dimensional match-3 games (with one core mechanic) vs. multi-dimensional meta games, the trade-offs for players, and some common game design elements that often characterize successful games