Black ICE completely overhauls most national focus trees, changes game mechanics, adds in tons of events, technologies, units and much more. 'Everything within the state, nothing outside the state, nothing against the state.'īlackICE Historical Immersion Mod Steam page:įrom BlackIce Steam page: 'We aim to bring Hearts of Iron 4 to an all new level, making your game experience more immersive, historical and challenging.
