I've been cutting down on disk usage recently, and I recall TF2's file size to be about 9 GB (
C:\\Program Files (x86)\Steam\steamapps\common\Team Fortress 2) My total free disk space was about 11 GB.
Now, I only have 7 GB on my hard drive, a substantial decrease. I checked the size of the programs I recently installed, but they only added up to ~1.5 GB. I suspected TF2, and I was correct: Its file size was 16 GB!
Is there any explanation for this sudden increase is file size? What can I do to reduce it?