If you love building intricate simulations in Factorio, or enjoy watching industrial complexes tick by in Satisfactory, ABI-DOS is the game for you. With a 97% positive rating after just a few months on Steam, this circuit-based automation game challenges you in ways few games do. Best of all, it's just been made free to keep, for everyone, forever.
97% rated, Factorio style Steam simulation game is now completely free, forever
Source: PCGamesN (opens in a new tab)