Wow. At first it was a simple incremental where you use color to buy upgrades but after you unlock x cards the whole game changes. In this case you start building massive chains of multiplication cards in order to rack up tons of color. It feels real great to do these combos. The rare cards seems to be possibly a too big of a step up and the rng in getting good cards could be a bit frustrating especially since the scaling of card packs is a bit messed up, eventually your game kind of becomes soft capped where cards become to expensive and take too much time to grind. Either way its really fun to play and I had a good couple of hours playing this game. Great Job!