Mutant Year Zero : Road to Eden shows off some aspects of gameplay on a map called Sea Titans. The demo was playable at Gamescom 2018 earlier this year for the press, and now is available, with developer explanations for every mechanic, for everyone to view.
Mutant Year Zero: Road to Eden is a tactical adventure game combining the turn-based combat of XCOM with story, exploration, stealth, and strategy. Take control of a team of Mutants navigating a post-human Earth. Created by a team including former HITMAN leads and the designer of PAYDAY.