The minimum score required in Fishing Derby by Activision for the Atari 2600 to earn a patch was: No patch was ever offered in Fishing Derby. The best advice in Fishing Derby is to read the manual, so that you know all of the nuances of the game. The manual gives some really good tips. Make sure both difficulty switches are set to B. Activision Fishing Derby will test your reflexes, skills, and timing to your limits. There are two game selections to choose from; you vs the computer and you vs another player. There are two difficulties levels to select from. Difficulty "A" makes it so that the fish won't bite unless the line is right under its nose. Difficulty "B" makes the fish bite if the line is near its mouth. Drop the end of the line to the fish that you would like to hook.Next move the line in or out to catch its mouth. Press the button to reel the fish in quicker. There are six rows of fish to hook. Depending on which row you hook, the points will vary from two points to six points. The six point value being the deepest fish at the bottom row. The fish to hook are yellow and the shark is black. The first player to score 99 points wins the game. The players' scores are represented on either side of the screen at the top. Player one is red and player two is green. **TIPS: Beware that there is a menace on the prowl; the ever hungry shark. The shark can eat hooked fish from your line, so be skillful in the method you reel the fish in. There are ways to evade the unpredictable shark by wiggling your line back and forth until the shark leaves your area, then press the button to make the quick catch. Also keep in mind where and which side you caught your fish from because once they are reeled in they always start from the opposite side. When you are ready to submit a world record score for Fishing Derby by Activision, check the scoreboard here: https://www.twingalaxies.com/game/fishing-derby/atari-2600-vcs/ntsc-game-1-difficulty-b-biggest-blowout/page/1