you get buffs like
PLAIN WHITE TEE: Enemies notice you from 25% shorter range
PAC-MAN SHIRT: Gain $1 per Video Game in your inventory at end of round
PLAIN WHITE TEE (WELL-FOLDED): Enemies notice you from 25% shorter range (WELL-FOLDED: +10% sell value per round if unequipped)
you can adapt tetrio to this by replacing the first term with [TR rating]/25000.
unfortunately almost every Wack Tetris falls into the "either very difficult or an endurance contest depending on skill, no in-between" category, so it's hard to put it on a scale like this