itch.io

after you play a round your points get converted to money that you spend in a shop for permeant beneficial effects for a future runs.

such as going from generating level 1-3 shapes to level 1-6 shapes, bigger play area so it's harder to game over, stronger power up effects and more frequent power ups ect.

you don't need to do that specifically; the point is you need to do something to differentiate your game from all the other  Suika games. go that "one more step"