Donkey Kong Country: Competition Cartridge

At Powerfest '94 and the Blockbuster World Video Game Championships II qualifiers in 1995, a competition cartridge was available for DKC. It's mostly identical to US v1.2, with the following changes:
 * The game can be played for five minutes; a timer is added which uses the banana count number graphics. Once the time is up, if a banana or other means of scoring was touched, the game freezes so that the score can be checked by the judge.
 * Animal Tokens were removed from most levels, though in later levels Rare got a bit lazy and left a couple in odd places, probably because they wouldn't expect players to get through every level that's present on the cart.
 * You have 50 lives at the start, rather than five.
 * The game skips the title screen and launches straight into the first level.
 * The banana counter has been replaced with a scoring system, for obvious reasons.
 * Eleven levels are present, though it is impossible to see beyond the eighth without cheating. The levels are, in this exact order:
 * Kongo Jungle - 1-1: Jungle Hijinxs, 1-3: Reptile Rumble, 1-2: Ropey Rampage, 1-4: Coral Capers
 * Monkey Mines - 2-1: Winky's Walkway, 2-3: Bouncy Bonanza
 * Vine Valley - 3-5: Orang-utan Gang
 * Gorilla Glacier - 4-1: Snow Barrel Blast, 4-2: Slipslide Ride, 4-3: Ice Age Alley, 4-4: Croctopus Chase

Pro Action Replay code 7E0046C5 will freeze the timer, allowing access to the last three stages. However, beating Croctopus Chase will freeze the game on a black screen.

From tcrf.net

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