Plus and Minus Barrels
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“Plus and Minus Barrels are found on the different roller coaster levels. The Plus Barrels will add time to the timer, the Minus Barrels will send you into the Minus World!”
Plus and Minus Barrels (also called + and - Barrels in an issue of Nintendo Power) are barrels that can affect the amount of time on a timer. They make an appearance in only one level in the game, Donkey Kong Country 2: Diddy's Kong Quest, which is Haunted Hall.
A Plus Barrel has a green plus sign on it and is used to increase the time on the timer in the level. A Minus Barrel, identified by a red minus sign on its side, decreases the amount of time.
Additionally, a single Plus Barrel can be found at the beginning of "Rickety Race". This Plus Barrel works differently; it speeds up the Kongs' Skull Cart. Similarly, another Plus Barrel is found in one of Haunted Hall's bonus levels, which causes the Skull Cart to travel backwards at a high speed.
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