Iron Harvest is free to keep via Steam store and it looks like some Steam Store bug. Need to do the following:1. Copy and Paste steam://install/826630 into your browser.2. Click on install3. Steam launcher will open and install. (You can cancel the install and the game will still be in your account to install later)Iron Harvest is a real-time strategy game (RTS) set in the alternate reality of 1920+, just after the end of the Great War. The Game lets you control giant dieselpunk mechs, combining epic singleplayer and coop campaigns as well as skirmishes with intense action on the battlefield for multiplayer fans, Iron Harvest is the classic real-time strategy game fans have been waiting for.Tradition clashes with scientific and technological progress, while Europe is still recovering from the brutal battles of the World War. Cities are being rebuilt and in the countryside, the era of the Iron Harvest has begun. Farmers are uncovering the remains of the majestic walking machines that had fought on the battlefields of the Great War.In the midst of this chaos, a new threat appears that will put Europe’s very existence at risk. Secret forces are putting everything they can towards destabilization of entire countries, determined to set the world on fire once again and finally seize control.Lead dozens of different unit types into battle, carefully utilize cover and blast entire buildings to shreds. Take your time to come up with a plan which allows for a wide range of tactics, including a stealth approach. Mechs. We got mechs. Lots of them.Experience an epic overarching story, spanning more than 20 missions over three campaigns. Join nine charismatic heroes and their beastly companions in their adventures across Europe. Team-up with a friend and master all campaigns side-by-side in co-op.Command three diverse factions with over 40 unit types and 9 heroes with unique abilities. Setup skirmish and multiplayer matches any way you want. Configure your personal game interface and choose your favourite input controls.Competitive multiplayer with ladders, ranked matches & leagues. Choose from a vast selection of skirmish maps and challenge maps, available to play in singleplayer and coop. In addition expect regular free updates during the season, including new singleplayer challenges, multiplayer maps and more to look forward to.Conquer resource points, build your base and place fortifications to protect your unit production and research.