Cheap-skate way
If you are cheap (like me), then instead of going out and buying a special controller for the game, you can just use the standard playstation controller, just use L2 for green, L1 for red, R1 for yellow, R2 for blue, and X for orange
DISCLAIMER: you may feel that you have been robbed of the game's whole experience
DISCLAIMER DISCLAIMER: but hey, you can buy two games instead of one
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