There's a 1.2 version that fixed several bugs and glitches, including at least one warp

Edit: Actually, this completely checks out! https://www.mariowiki.com/Donkey_Kong_Country_Competition_Cartridge

The actual game consists of a few select levels from Donkey Kong Country with the addition of a point counter and a few minor tweaks to encourage scoring, the goal being to score as many points as possible. The tree house and banana cave at the start of Jungle Hijinxs have been disabled, and all of the animal tokens in the early levels have been replaced with Banana Bunches, making it impossible to reach the bonus round without the usage of a cheating device