If you can get through the (generally) confusing menus, ASCII artstyle, and learning cliff of Dwarf Fortress, the Adventurer mode is extremely detailed through it's simulations. Randomly generate world, pick a race, starting stat level, stats, and starting position, and off you go. Usually...
In no particular order (any anticipated games, right? Not just E3 announcements?):
Smash Ultimate (Def a day 1 buy)
Elder Scrolls 6
Monster Hunter Generations Ultimate (Also a D1 buy)
My Friend Pedro: Bananas