Technically, a 4GB (4,000MB) game cannot be compressed to 10MB while remaining functional.
Tools like 7-Zip or WinRAR can reduce game sizes by 25% to 50% at most. A "highly compressed" version of Call of Duty 2 typically results in a file size around 429 MB —roughly one-eighth of its original size—by removing non-essential localization files. call of duty 2 highly compressed 10mb
Compressing 4,000MB into 10MB would require a ratio of 400:1 . Standard data compression algorithms find patterns in 0s and 1s; if the data is not repetitive (like complex 3D assets), it simply cannot reach those levels without losing all its information. Why 10MB Downloads are Risky Technically, a 4GB (4,000MB) game cannot be compressed
If you encounter a link claiming to offer Call of Duty 2 at 10MB, it is almost certainly a security threat. Compressing 4,000MB into 10MB would require a ratio of 400:1