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About\nThis is a homebrew game for 1980's era Atari 8-bit XL/XE (NTSC/PAL) computers.\n\n![Quadbination-Screenshot](https://github.com/user-attachments/assets/3e90033c-ef91-45ff-9ff0-7bb33e5ddf62)\n\n# Credits\ncc65\u003c/br\u003e\nAtari FontMaker\u003c/br\u003e\nRASTER Music Tracker\u003c/br\u003e\nAltirra\u003c/br\u003e\nAtariAge\n\n# Reviews\n\n[\u003cimg src=\"https://github.com/supurloop/quadbination/blob/main/zph.jpg\"\u003e](https://www.youtube.com/watch?v=gL_D6H53BOo)\n[\u003cimg src=\"https://github.com/supurloop/quadbination/blob/main/atariteca-2024-neg.png\"\u003e](https://www.atariteca.net.pe/2025/06/reflejos-estrategia-y-paddles.html)\n\n# Instructions\nQuadbination is a 1-4 player cooperative/competitive matching paddle game.\n\nThe cooperative goal is to solve the combination as quickly as possible.\u003c/br\u003e\nThe competitive goal is to achieve the highest individual player score.\n\n# Requirements\nAtari 8-bit, 64KB RAM, NTSC or PAL\u003c/br\u003e\nSingle and/or Double Paddles in Port 1 and/or Port 2\n\n## Selecting Players\nBriefly press the paddle button to enable a player.\u003c/br\u003e\nEach player is assigned a unique color.\u003c/br\u003e\nTo deactivate a player restart Quadbination.\n\n## Practice Mode\nA game has not started if the timer is not counting down, during this time players can practice matching.\n\n## Starting Game\nPress and hold down any paddle button for 3 seconds to start a 2 minute game.\u003c/br\u003e\nThe timer will start counting down and game music plays.\n\n## Gameplay\nEach colored player is randomly assigned a combination digit, a hexadecimal value from 0 to F.\u003c/br\u003e\nAs a player falls towards the combination dial they may move using their paddle.\u003c/br\u003e\nWhen a player reaches the combination dial the digit is entered and the player regenerates at the top of the screen.\u003c/br\u003e\n\nTurning the paddle left will move the player to the left.\u003c/br\u003e\nTurning the paddle right will move the player to the right.\u003c/br\u003e\nHolding the paddle button increases the player's falling speed.\u003c/br\u003e\n(Paddle may need service if a player does not move smoothly left and right without jitter.)\u003c/br\u003e\n\nWhen a combination dial digit matches the digit directly below, the combination digit is green, else it is red.\n\nA bonus item appears periodcally.\u003c/br\u003e\nIf a player touches the bonus item then it will explode in the same color as the player and at least 1 second is added to the countdown clock.\n\nIf time runs out or the combination is solved (all green) then the game ends.\n\n## Scoring\n\n### Player Scoring\n\nEach player starts with 200 points.\n\nTouch the bonus item, gain 30 points.\n\nSet an unset combination dial digit correctly, gain 10 points.\u003c/br\u003e\nSet an unset combination dial digit incorrectly, lose 20 points. \n\nUpdate a set combination dial digit correctly, gain 2 points.\u003c/br\u003e\nUpdate a set combination dial digit incorrectly, lose 4 points.\n\nWhen the game ends, for each correct combination dial digit matching player's color, gain 20 points.\u003c/br\u003e\nWhen the game ends, for each incorrect combination dial digit matching player's color, lose 20 points.\n\nMinimum player score 0.\u003c/br\u003e\nMaximum player score 9900.\u003c/br\u003e\nHigh score for each player is tracked.\n\n### Team Scoring\n\nThe team starts with 9000 points.\u003c/br\u003e\nFor each second during countdown, lose 75 points.\u003c/br\u003e\nWhen the game ends, for each second remaining up to 99, gain 75 points.\n\nMinimum team score 0.\u003c/br\u003e\nMaximum team score 9900.\u003c/br\u003e\nHigh team score is tracked.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsupurloop%2Fquadbination","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fsupurloop%2Fquadbination","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsupurloop%2Fquadbination/lists"}