Pipsqueaks

Pipsqueaks are an American candy first sold in 1988. Their taste is described to be similar to a Sour Patch Kid except inverted, with a sweet shell and a sour inside.

Seasonal
These packs are active in their respective seasons.

Current

 * Original, XTREME, and Inversion: Cherry, Orange, Grape, Lime

Discontinued

 * Tropical Depression / Tropical Storm: Lime, Pear, Peach, Watermelon

Seasonal

 * Frostbite: Cookie, Chocolate, Eggnog [Not Sour], Candy Cane
 * Bounce: Carrot, Corn, Red Apple [Sour], Chocolate Heart
 * Summer Splash: Lime, Pear, Peach, Watermelon
 * Falling Fast: Pumpkin, Candy Apple, Ghost (any flavor), Chocolate

Trivia

 * Due to popular demand, the Inversion pack was brought back in 2002.