The Invisible Hand is 80% off in the Steam Spring Sale, from now until March 20!

https://store.steampowered.com/app/628200/The_Invisible_Hand/

The game's soundtrack is also on sale at 75% off, or you can pick up the game and soundtrack together in the Deep Pockets Edition.

https://store.steampowered.com/app/1600920/The_Invisible_Hand_Soundtrack/
https://store.steampowered.com/bundle/20666/The_Invisible_Hand_Deep_Pockets_Edition/