A 55‑Year‑Old Bug in the Original Lunar Lander Game: Missing Square‑Root Factor in the Rocket Equation

The article recounts the history of the 1969 text‑based Lunar Lander game, explains how its creator used the rocket equation and Taylor series for physics simulation, and reveals a long‑standing bug—a missing factor in the square‑root denominator—that causes the optimal fuel‑burn strategy to fail, prompting a modern analysis of the error.

Bug AnalysisGame HistoryLunar Lander

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A 55‑Year‑Old Bug in the Original Lunar Lander Game: Missing Square‑Root Factor in the Rocket Equation

58UXD

Mar 9, 2021 · Game Development

From the Brown Box to Modern 3D: A Journey Through Game Graphics History

This article traces the evolution of computer graphics in video games—from the 1972 Brown Box and Atari sprites through the ZX Spectrum era, early 3D engines like Freescape and Zarch, to the rise of GPUs, rasterization pipelines, and modern rendering challenges exemplified by titles such as Crysis.

3D renderingGame HistoryRasterization

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From the Brown Box to Modern 3D: A Journey Through Game Graphics History

Programmer DD

Jan 24, 2021 · Game Development

The Untold Story of Yao Zhuangxian – Father of Chinese RPGs

This article chronicles the life and career of Yao Zhuangxian, the creator of the legendary Chinese RPG series "The Legend of Sword and Fairy," detailing his early fascination with games, his breakthrough with "Monopoly," the rise and challenges of the Xianjian franchise, and his lasting impact on the Chinese gaming industry.

Chinese RPGGame DevelopmentGame History

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The Untold Story of Yao Zhuangxian – Father of Chinese RPGs