I have loved both COH 1 & 2. The game is an awesome real-time strategy game and to celebrate the 5th anniversary the game is free.
https://store.steampowered.com/news/46547/
"In celebration of the 5th Anniversary, get Company of Heroes 2 for FREE starting now until December 10th at 10AM Pacific Time! Once you add the game it will remain in your account after the free period, so don't miss out!
Plus, check out the finals of the Anniversary Classic 2v2 Tournament. Watch the stream when it is live here. Additionally, save 75% on all DLC as well.
*Offer ends Monday at 10AM Pacific Time"
Thanks.