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Jathushan Varnakulasingam

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Algorithmic Thinking: Recreating the Mastermind Logic Game
Game Dev 4 min read May 2025

Algorithmic Thinking: Recreating the Mastermind Logic Game

Building a complex code-breaking logic engine and persistent user interface in the terminal.

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Mastermind is the ultimate test of code-breaking. Implementing its ruleset in Python was a fascinating challenge in nested logic and state management.

Designing the Feedback Engine

The 'Black and White' peg logic is notoriously difficult to code efficiently. I developed an O(N) algorithm that accurately counts matches without overlap, ensuring a bug-free game experience.

Terminal UX & Interaction Design

Even in the terminal, user experience matters. I implemented a color-coded CLI with clear instructions and turn history, making the game feel like a premium experience despite its text-based nature.

Technologies Analyzed

Python Algorithms Game Logic

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