The Humble Store now offers Company of Heroes 2 for free, allowing Windows, macOS, and Linux gamers the chance to play the World War II strategy sequel. This is a limited-time offer, but those who take advantage will have the game permanently added to their Steam libraries. Here's a refresher on the game:

Experience the ultimate RTS WWII platform with the original COH2 and its standalone expansions: The Western Front Armies (multiplayer), Ardennes Assault (single-player) and The British Forces (multi-player). Multiplayer standalones (sold separately) allow you to play on any map against anyone owning any COH2 product. The original Company of Heroes 2 game gives you access to two multiplayer armies from the Eastern Front: the Red Army (SOV) and the Wehrmacht Ostheer (GER). It also comes with a gritty single-player campaign that will give you a chance to familiarize yourself with the series core tenets. Step into the boots of a Soviet commander of the Red Army, entrenched in brutal frontline warfare to free Mother Russia from the Enemy invaders! Adjust your tactics to take into account the brutal weather conditions and wield the might of the Soviet Empire as you smash your way to Berlin.

Powered by the Essence Engine 3.0, the Company of Heroes 2 series feature some unique mechanics rewarding thoughtful players. From the TrueSight™ system that emulates the units’ line of sight to the cover-system that encourages clever unit placement – not to mention the combined arms approach and the hard and soft counters gameplay that will make you think twice before trying to destroy a tank with a simple squad of riflemen – each game presents players with an uninterrupted stream of meaningful tactical choices that can turn the tide of war.