a "brief" overview of how Engineer's playstyles and arsenal have evolved since TF2's release
support the channel / lister
all songs used (with timestamps) https://pastebin.com/FbZ8EVsT
0:00 intro
2:27 20072009
18:03 2010
47:43 20112012
1:11:34 20132015
1:49:01 2016today