Just Cause 2 features a full voice-acting cast, sound effects for thousands of weapons, vehicles, explosions, and a dynamic musical score. Even with highly efficient compression algorithms like MP3 or OGG, the sheer volume of audio data required for a 30+ hour campaign amounts to gigabytes, not megabytes. If you were to strip all audio, you wouldn't have a game; you’d have a silent movie.
Let’s start with basic data science.
For over a decade, Just Cause 2 has remained a benchmark for open-world chaos. Developed by Avalanche Studios and released in 2010, the game dropped players into the fictional island nation of Panau with a grappling hook, a parachute, and an almost unlimited supply of explosives. The full game size hovers around (depending on the version and DLC). Just Cause 2 Highly Compressed 10mb