Team Fortress 2 Highly Compressed !full! 〈GENUINE〉

A repack usually promises to reduce the standard 25–30 GB download to anywhere between 800 MB and 2 GB (zipped). Once you run the decompression installer (usually a .exe file), the game expands back to roughly 12–15 GB for play—still smaller than the official version, but much larger than the download.

In the world of repacks and fan-made installers, "highly compressed" usually refers to one of two things: team fortress 2 highly compressed